02573nac a22002891u 4500010001500000020001500015035002000030082001800050090001500068100003400083245007700117250001200194260004700206300003200253500007700285504006600362505154900428650004501977650002402022650001602046650001402062700002702076700002302103942002002126999001502146952012202161  a2002015537  a0865428719  a(DNLM)10115504600a610.727bK598  c1299d1299  aKirkwood, Betty R.           10aEssential medical statistics /cBetty R. Kirkwood, Jonathan A.C. Sterne.  a2nd ed.  aMalden, Mass. :bBlackwell Science,c2003.  ax, 501 p. :bill. ;c25 cm.  aRev. ed. of: Essentials of medical statistics / Betty R. Kirkwood. 1988.  aIncludes bibliographical references (p. [487]-492) and index.0 aUsing this book -- Defining the data -- Displaying the data --  Means, standard deviations and standard errors -- The normal distribution -- Confidence interval for a mean -- Comparison of two means: confidence intervals, hypothesis tests and P-values -- Using P-values and confidence intervals to interpret the results of statistical analyses -- Comparison of means from several groups: analysis of variance -- Linear regression and correlation -- Multiple regression -- Goodness of fit and regression diagnostics -- Transformations -- Probability, risks and odds (of disease) -- Proportions and the binomial distribution -- Comparing two proportions -- Chi-squared tests for 2 x 2 and larger contingency tables -- Controlling for confounding: stratification -- Logistic regression: comparing two or more exposure groups -- Logistic regression: controlling for confounding and other extensions -- Matched studies -- Longitudinal studies, rates and the Poisson distribution -- Comparing rates -- Poisson regression -- Standardization -- Survival analysis: displaying and comparing survival patterns -- Regressional analysis of survival data -- Likelihood -- Regression modelling -- Relaxing model assumptions -- Analysis of clustered data -- Systematic reviews and meta-analysis -- Bayesian statistics -- Linking analysis to study design: summary of methods -- Calculation of required sample size -- Measurement error: assessment and implications -- Measures of association and impact -- Strategies for analysis -- Appendix: statistical tables. 0aMedicinexResearchxStatistical methods. 0aMedical statistics. 0aStatistics. 0aBiometry.1 aSterne, Jonathan A. C.1 aKirkwood, Betty R.  cBBk610.727K598  c1299d1299  00104070aMAINbMAINc1STd2006-08-31ePurchasel5m21o610.727 KIRp000003171r2025-07-15 00:00:00s2018-02-21yBB