Hazard Ratio

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Hazard Ratio: - A term used to compare an animal's daily dietary intake of a pesticide to its LD 50 value. A ratio greater than 1.0 indicates that the animal is likely to consume an a dose amount which would kill 50 percent of animals of the same species. (See: LD 50 /Lethal Dose.)
[Environmental Protection Agency]

News archive for Hazard Ratio::

Sleep Apnea Linked To Higher Risk Of Death  -  04 Aug 2008
Medical News Today,When the 126 people who reported regular use of CPAP were taken out of the figures, the hazard ratio for cardiovascular mortality climbed from 2.9 to 5.2

Routine shock-energy testing in primary-prevention ICDs questioned ...  -  04 Aug 2008
TheHeart.Org,Mortality was 20.7% among the 547 patients with DFTs <10 J and 19.4% for those with higher DFTs, for an adjusted hazard ratio of 1.19 (p=0.41) for the

IAC: TB Drug Alters Power of HIV Medication  -  04 Aug 2008
MedPage Today,The adjusted hazard ratio was 2.2, with a 95% confidence interval from 1.3 to 3.7, which was significant at P<0.05. There were no differences between

IAC: Injection Drug Use No Bar to HIV Therapy  -  04 Aug 2008
MedPage Today,...in a multivariate time-updated Cox regression, the hazard ratio of mortality was also similar (1.09 with a 95% confidence interval from 0.92 to 1.29).

HIV Microbicide May Have Raised Infection Risk  -  Jul 30, 2008
MedPage Today,The final analysis showed 25 infections in the cellulose sulfate group and 16 in the placebo group, with an estimated hazard ratio of 1.61,

Outcomes of Nevirapine- and Efavirenz-Based Antiretroviral Therapy ...  -  Aug 3, 2008
Journal of American Medical Association (subscription),...patients starting nevirapine with concurrent tuberculosis developed virological failure sooner (adjusted hazard ratio [HR] 2.2; 95% CI, 1.3-3.7).

Secondhand Smoke Increases Spousal Stroke Risk  -  Jul 29, 2008
MedPage Today,The hazard ratio was 1.42, with a 95% confidence interval from 1.02 to 1.92. Among former smokers, current spousal smoking was associated with a 72%

Thyroid Function Linked to Alzheimer's Disease in Older Women  -  Aug 1, 2008
Medscape (subscription)...levels of the hormone (hazard ratio, 2.39; 95% confidence interval [CI], 1.47 - 3.87; P < .001 for those in the lowest levels and hazard ratio 2.15;

Asthma Wheeze Follows Thunderstorms  -  Jul 11, 2008
MedPage Today,Overall, the hazard ratio for asthma the day after a thunderstorm was 1.035, which was significant at P<0.001, but the effect varied depending on what other

Adding PAND to Radical Gastrectomy Does Not Improve Survival in ...  -  Jul 31, 2008
Abkhazia,The hazard ratio for death was 1.03, and after adjustment for standard variables, including age, sex, body mass index, tumor location, tumor size,

Untreated Sleep-Disordered Breathing May Triple Risk for Mortality  -  Aug 1, 2008
Medscape (subscription)For severe SDB vs no SDB, the adjusted hazard ratio (HR) for all-cause mortality was 3.0 (95% confidence interval [CI], 1.4 - 6.3).

The Association Between the Timing of Valve Surgery and 6-Month ...  -  Jul 31, 2008
Cardiosource,Using a Cox proportional hazards model, propensity score to undergo surgery in 0-11 days was associated with an unadjusted hazard ratio of 1.15 (95%

Low-Fat Diet May Not Protect Postmenopausal Women From Diabetes Risk  -  Jul 30, 2008
Medscape (subscription)The incidence of diabetes mellitus was similar for the intervention group (1303 [7.1%]) vs the control group (2039 [7.4%]) with a hazard ratio of 0.96 (95%

D2 Lymphadenectomy Alone or with Para-aortic Nodal Dissection for ...  -  Jul 30, 2008
New England Journal of Medicine (subscription),There were no significant differences in recurrence-free survival between the two groups; the hazard ratio for recurrence was 1.08 (95% CI, 0.83 to 1.42;

Altered Blood Pressure Progression in the Community and Its ...  -  Jul 16, 2008
Cardiosource,1.25, p = 0.03; hazard ratio for diastolic BP, 1.00 vs. 1.23, p = 0.04). Conclusions: BP levels in the community have changed over time, coinciding with

This email address is being protected from spam bots, you need ...  -  Jul 20, 2008
UroToday,...were reported in 136 (37.7%) patients in the vitespen group and 146 (39.8%) in the observation group (hazard ratio 0.923, 95% CI 0.729-1.169; p=0.506).

Untreated sleep-disordered breathing may triple risk for mortality  -  Aug 1, 2008
TheHeart.Org,For severe SDB, compared with no SDB, the adjusted hazard ratio (HR) for all-cause mortality was 3.0 (95% CI, 1.4-6.3). When the 126 people who had been

Anti-HIV Therapy Triples Asthma Risk in Children  -  Aug 1, 2008
MedPage Today,Dr. Shearer and colleagues calculated a hazard ratio for asthma medication use of 3.34 for children receiving HAART relative to untreated HIV-positive

Advances in the Treatment of Renal Cell Carcinoma  -  Jul 25, 2008
Medscape (subscription)An intent-to-treat OS analysis showed a median survival of 26.4 months in the sunitinib group and 21.8 months in the interferon group, with a hazard ratio

Peg-Interferon Slows Melanoma Recurrence  -  Jul 10, 2008
MedPage Today,The hazard ratio was 0.82, with a 95% confidence interval from 0.71 to 0.96, which was significant at P=0.01. The four-year rate of recurrence-free survival

Bone Disease Lab Test Linked to Death Risk in Dialysis Patients  -  Jul 30, 2008
MedPage Today,...parathyroid hormone, and aspartate aminotransferase, alkaline phosphatase ≥120 U/L was associated with a hazard ratio for death of 1.25 (95% confidence

Disease-Free Period Predicts Response to Salvage Therapy for Oral ...  -  Aug 1, 2008
Abkhazia,Patients with a disease-free interval of less than 1 year (hazard ratio 1.97) and those with overexpression of EGFR (HR 4.20) had the worst prognosis.

Statin Therapy May Boost Survival in Kidney Recipients  -  Jul 23, 2008
MedPage Today,Statin therapy was associated with a 36% reduction in the hazard ratio for all-cause mortality at 12 years, Rainer Oberbauer, MD, of the Medical University

Endothelin Antagonist Trial in Mildly Symptomatic Pulmonary ...  -  Jul 31, 2008
Medscape (subscription)There was a significant delay in time to clinical worsening in the bosentan-treated group (hazard ratio 0.227, P = .0114) as shown in the Figure,

Prenatal Exposure to n-3 Polyunsaturated Fatty Acids Protects ...  -  Jul 14, 2008
Medscape (subscription)The corresponding hazard ratio (HR) for asthma for the fish oil group was 0.37 (95% CI, 0.15 - 0.92). The number of children with a diagnosis of allergic

Inducible Ischemia and the Risk of Recurrent Cardiovascular Events ...  -  Jul 14, 2008
Archives of Internal MedicineHowever, the presence of inducible ischemia without self-reported angina strongly predicted recurrent CHD events (adjusted hazard ratio, 2.2; 95% CI,

Altered Blood Pressure Progression in the Community and Its ...  -  Jul 14, 2008
Archives of Internal MedicineBP to all-cause mortality (hazard ratio for 1-SD increase in systolic BP, 1.02 vs 1.25, P = .03; hazard ratio for diastolic BP, 1.00 vs 1.23, P = .04).

Survival benefit of coronary-artery bypass grafting accounted for ...  -  Jul 17, 2008
7thSpace Interactive (press release),The hazard of death among patients who underwent CABG was 51 percent of that for the untreated group, the adjusted hazard ratio was 0.51 (95 percent

Antigenics Reports Second Quarter 2008 Financial Results  -  Jul 31, 2008
Business Wire (press release),...an improvement in recurrence-free survival of approximately 45 percent over patients in the observation arm (P < 0.01; hazard ratio = 0.55).

Randomized Phase III Trial Comparing Retroperitoneal Lymph Node ...  -  Jul 31, 2008
Medical News Today (press release),The hazard ratio to experience a tumor recurrence with surgery as opposed to chemo was 9.74. Among the RPLND recurrences, 5 were retroperitoneal,

FDA Extends Black-Box Warning to All Antipsychotics  -  Jul 18, 2008
Psychiatric News,In a study by Sebastian Schneeweiss, MD, and colleagues, the mortality hazard ratio in the FGA-treated elderly patients was 1.47 times that of SGA-treated

Antihypertensive Treatment in Elderly Patients May Reduce Dementia ...  -  Jul 10, 2008
Medscape (subscription)This difference between the treatment and placebo groups in the rates of incident dementia was not significant (hazard ratio [HR], 0.86; 95% confidence

Patient Demographics Influence Treatment and Survival in Laryngeal ...  -  Jul 24, 2008
DG NewsBoth surgery (hazard ratio [HR] = 0.15) and radiotherapy (HR = 0.17) techniques significantly improved patient survival. "Race seems like a factor only

Graft-Success Risk Higher for a Woman Getting Male Kidney  -  Jul 7, 2008
MedPage Today,Kidneys from male donors transplanted to female recipients had the highest risk of graft failure during the first year (hazard ratio 1.08, P=0.003) and from

Drinking Ups Stroke Deaths in Both Sexes, Quadruples CHD Mortality ...  -  Jul 15, 2008
Medscape (subscription)However, this group had a reduced risk of dying from coronary heart disease (hazard ratio [HR] 0.81). In stark contrast, women who drank that much

Clinical Impact of an Inter-Hospital Transfer Strategy in Patients ...  -  Jul 22, 2008
Cardiosource,...of in-hospital (odds ratio, 0.956; 95% confidence interval [CI], 0.633-1.442) and 1-year (hazard ratio, 0.817; 95% CI, 0.617-1.085) cardiac mortality.

Patients With Colon Cancer Who Have A Family History Of Colorectal ...  -  Jul 30, 2008
Medical News Today (press release),The risk of recurrence was 26% lower in patients with a family history of colorectal cancer (hazard ratio [HR] 0.74; 95% confidence interval [CI] 0.55-0.99)

Even in Normal Ranges, Higher Albumin Excretion Associated With ...  -  Jul 7, 2008
Medscape (subscription)...range, 0.0 - 1.7 mg/g) had higher risk for incident hypertension (hazard ratio [HR], 1.76; 95% confidence interval [CI], 1.21 - 2.56; P = .004).

Impaired Vision May Be Indirectly Linked With Increased Suicide Risk  -  Jul 21, 2008
Medscape (subscription)The hazard ratio (HR) for suicide with VI was elevated, but this was not statistically significant (HR, 1.50; 95% CI, 0.90 - 2.49).

Fetuin-A and Incident Diabetes Mellitus in Older Persons  -  Jul 8, 2008
Journal of American Medical Association (subscription),The association was not affected by adipocytokine levels but was moderately attenuated by adjustment for visceral adiposity (adjusted hazard ratio of

Simvastatin-Ezetimibe Combination Does Not Slow Progression of ...  -  Jul 21, 2008
DG News...endpoint (333 patients with an event on LDL-lowering treatment vs 355 on placebo; hazard ratio (HR) = 0.96; 95% confidence interval (CI) 0.83-1.12).

Statins Protect Against Dementia  -  Jul 29, 2008
MedPage Today,Statin users had a 43% lower rate of dementia and non-dementia cognitive impairment than nonusers (hazard ratio 0.577, 95% confidence interval 0.376 to

Health Canada approves ORENCIA(R) (abatacept) for the treatment of ...  -  Jul 29, 2008
Canada NewsWire (press release),...on ORENCIA was less than one-third than that for patients who withdrew from ORENCIA treatment (Hazard Ratio: 0.31, 95 percent CI (0.16, 0.59)).

Green Vegetables, Fruit Intake Linked to Lower Risk for Diabetes ...  -  Jul 8, 2008
Medscape (subscription)An increase of 3 servings of total fruit and vegetable consumption per day was not linked to the development of diabetes (multivariate-adjusted hazard ratio

Minimally Elevated Cardiac Troponin T and Elevated N-Terminal Pro ...  -  Jul 28, 2008
Cardiosource,Results: Thirty-nine patients with detectable TnT levels (>0.01 ng/ml) had significantly increased risk of all-cause mortality (hazard ratio [HR],

Predicting the Long-Term Effects of Cardiac Resynchronization ...  -  Jul 28, 2008
Cardiosource,Results: By multivariate analysis, the baseline variables that were independent predictors of mortality were ischemic heart disease (hazard ratio [HR],

Low-Fat Dietary Pattern and Risk of Treated Diabetes Mellitus in ...  -  Jul 28, 2008
Cardiosource,Overall, treated diabetes was reported by 1303 women in the intervention group (7.1%) and 2039 women in the comparison group (7.4%) (hazard ratio, 0.96;

Positron Emission Tomography and Improved Survival in Patients ...  -  Jul 28, 2008
Archives of Internal MedicineThe PET period predicted better survival with a hazard ratio (HR) of 0.95 (95% confidence interval [CI], 0.91-0.99) (P = .02). Use of PET was independently

Low-Fat Dietary Pattern and Risk of Treated Diabetes Mellitus in ...  -  Jul 28, 2008
Archives of Internal MedicineResults Incident treated diabetes was reported by 1303 intervention participants (7.1%) and 2039 comparison participants (7.4%) (hazard ratio, 0.96;

Thyroid Function and the Risk of Alzheimer Disease The Framingham ...  -  Jul 28, 2008
Archives of Internal Medicine...mIU/L) tertiles of serum thyrotropin concentration were at increased risk for AD (multivariate-adjusted hazard ratio, 2.39 [95% confidence interval,

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