Search Results - "Ury, H K"

Initial screening for carcinogenicity of commonly used drugs by Friedman, G D, Ury, H K

“…Computer-stored drug-dispensing data for 143,574 outpatients were used to identify users of various medicinal drugs during the 4-year period beginning in July…”
Get more information

Screening for possible drug carcinogenicity: second report of findings by Friedman, G D, Ury, H K

“…Cancer development was followed up through 1978 in 143,574 outpatients who were identified on the basis of computer-stored drug-dispensing data as users of…”
Get more information

A Simple Approximation for Calculating Sample Sizes for Comparing Independent Proportions by Fleiss, Joseph L., Tytun, Alex, Ury, Hans K.

“…A simple approximation is provided to the formula for the sample sizes needed to detect a difference between two binomial probabilities with specified…”
Get full text

Efficiency of Case-Control Studies with Multiple Controls Per Case: Continuous or Dichotomous Data by Ury, Hans K.

“…The statistical efficiency of a study design which matches each case with k controls is compared with that of the standard matched-pairs setup. For the…”
Get full text

Breast cancer and serum cholesterol by Hiatt, R A, Friedman, G D, Bawol, R D, Ury, H K

“…Recent studies have suggested a role for dietary fat in the etiology of breast cancer. The relation of serum cholesterol and other serum lipid measures to…”
Get more information

Investigation of a cluster of anencephaly and spina bifida by Hearey, C D, Harris, J A, Usatin, M S, Epstein, D M, Ury, H K, Neutra, R R

“…Environmental factors remain undefined as possible causes of spina bifida and anencephaly. The authors noted a fivefold increased incidence for 1979-1980 in…”
Get more information

On Approximate Sample Sizes for Comparing Two Independent Proportions with the Use of Yates' Correction by Ury, Hans K., Fleiss, Joseph L.

“…An investigator wishes to compare two independent proportions, based on perhaps unequal sample sizes, by means of the chi squared test with the Yates'…”
Get full text

The effect of high blood pressure awareness and treatment on emotional well-being by Soghikian, K, Fallick-Hunkeler, E M, Ury, H K, Fisher, A A

Get more information

A psychological questionnaire predictive of myocardial infarction: results from the Kaiser-Permanente epidemiologic study of myocardial infarction by Friedman, G D, Ury, H K, Klatsky, A L, Siegelaub, A B

Get more information

The Signed-Rank (Wilcoxon) test in the rapid analysis of biological data by Forrester, J C, Ury, H K

Get more information

Large-Sample Sign Tests for Trend in Dispersion by Ury, Hans K.

Get full text

Effect of biopsy and other trauma on transplanted lymphosarcoma in mice by Noonan, C D, Margulis, A R, Stoughton, J A, Ury, H K

Get more information

A case-control study of relationships of diet and other traits to colorectal cancer in American blacks by Dales, L G, Friedman, G D, Ury, H K, Grossman, S, Williams, S R

“…Ninety-nine black colorectal cancer patients and 280 matched controls from hospitals and multiphasic health checkup clinics were interviewed about past dietary…”
Get more information

An improper use of statistical significance testing in studying covariables by Dales, L G, Ury, H K

“…How badly a covariable confounds the association between a disease and a primary trait depends on the strength of two other associations: between covariable…”
Get more information

Mortality in middle-aged smokers and nonsmokers by Friedman, G D, Dales, L G, Ury, H K

“…We assessed the relation of cigarette smoking to mortality in an 11-year follow-up study of 4004 men and women, 35 to 54 years of age, who responded to urging…”
Get more information

Serum electrolytes and clotting factors in rats during blood loss by cardiac puncture: effect of norethynodrel with mestranol on serum magnesium by Goldsmith, N F, Huggel, H, Ury, H K

Get more information

Psychological questionnaire score, cigarette smoking, and myocardial infarction: a continuing enigma by Friedman, G D, Fireman, B H, Petitti, D B, Siegelaub, A B, Ury, H K, Klatsky, A L

“…The ability of a group of 94 psychological questions to discriminate between men in whom cigarette smoking was associated with increased risk of myocardial…”
Get more information

A new test statistic for the Kodlin-Standish drug surveillance model by Ury, H K

Get more information

A RANK-ORDER TEST FOR INTERVIEWER AGREEMENT by URY, H K

Get more information

Characteristics of heavy users of outpatient prescription drugs by Lech, S V, Friedman, G D, Ury, H K

“…One hundred fifty-eight users of eight or more different prescription drugs in a three-month period were identified, using computerstored pharmacy data…”
Get more information