Search Results - "Ury, H"

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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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Statistical method in Aronow study by Ury, H

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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'…”
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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…”
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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

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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…”
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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

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

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

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Bone-Mineral Estimation in Normal and Osteoporotic Women: A COMPARABILITY TRIAL OF FOUR METHODS AND SEVEN BONE SITES by GOLDSMITH, N F, JOHNSTON, J O, URY, H, VOSE, G, COLBERT, C

“…Fifty-two white women, forty-eight to seventy-nine years old, diagnosed by spinal roentgenograms as normal or slightly, moderately, or severely osteoporotic,…”
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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…”
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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

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Magnesium and citrate during the menstrual cycle: effect of an oral contraceptive on serum magnesium by Goldsmith, N F, Pace, N, Baumberger, J P, Ury, H

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

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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…”
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