Statistics with Confidence

This highly popular introduction to confidence intervals has been thoroughly updated and expanded. It includes methods for using confidence intervals, with illustrative worked examples and extensive guidelines and checklists to help the novice.

Contributors viii Source of Contents ix Introduction xi Douglas G. Altman, David Machin, Trevor N. Bryant PART I: ESTIMATION AND CONFIDENCE INTERVALS 1 Estimating with Confidence 3 Martin J. Gardner, Douglas G. Altman 2 Confidence Intervals in Practice 6 Douglas G. Altman 3 Confidence Intervals Rather Than P Values 15 Marin J. Gardner, Douglas G. Altman 4 Means and Their Differences 28 Douglas G. Altman, Martin J. Gardner 5 Medians and Their Differences 36 Michael J. Campbell, Martin J. Gardner 6 Proportions and Their Differences 45 Robert G. Newcombe, Douglas G. Altman 7 Epidemiological Studies 57 Julie A Morris, Martin J. Gardner 8 Regression and Correlation 73 Douglas G. Altman, Martin J. Gardner 9 Time to Event Studies 93 David Machin, Martin J. Gardner 10 Diagnostic Tests 105 Douglas G. Altman 11 Clinical Trials and Meta-Analyses 120 Douglas G. Altman 12 Confidence Intervals and Sample Sizes 139 Leslie E. Daly 13 Special Topics 153 Michael J. Campbell, Leslie E. Daly, David Machin PART II: STATISTICAL GUIDELINES AND CHECKLISTS 14 Statistical Guidelines for Contributors to Medical Journals 171 Douglas G. Altman, Sheila M. Gore, Martin J. Gardner, Stuart J. Pocock 15 Statistical Checklists 191 Martin J. Gardner, David Machin, Michael J. Campbell, Douglas G. Altman PART III. NOTATION, SOFTWARE, AND TABLES 16 Notation 205 Douglas G. Altman 17 Computer Software for Calculating Confidence Intervals (CIA) 208 Trevor N. Bryant 18 Tables for the Calculation of Confidence Intervals 214 Martin J. Gardner Index 233