Medical Statistics Made Easy

ISBN: 9780367394776 出版年：2003 页码：127 Harris, Michael Taylor, Gordon CRC Press

Statistics which describe data: Percentages Mean Median Mode Standard deviation Statistics which test confidence: Confidence intervals P values Statistics which test differences: t tests and other parametric tests Mann-Whitney and other non-parametric tests Chi-squared Statistics which compare risk: Risk ratio Odds ratio Risk reduction and numbers needed to treat Statistics which analyse relationships: Correlation Regression Statistics which analyse survival: Survival analysis: life tables and Kaplan-Meier plots The Cox regression model Statistics which analyse clinical investigations and screening: Sensitivity, specificity and predictive value Level of agreement and Kappa Other concepts Statistics at work Standard deviation, relative risk and numbers needed to treat Odds ratios and confidence intervals Correlation and regression Survival analysis Sensitivity, specificity and predictive values Statistical Process Controls.