Statistics notes from The BMJ
- Interpreting diagnostic accuracy studies for patient care
- Brackets (parentheses) in formulas
- How to obtain the P value from a confidence interval
- Comparisons within randomised groups can be very misleading
- Correlation in restricted ranges of data
- Analysis of continuous data from small samples
- Parametric v non-parametric methods for data analysis
- Missing data
- The cost of dichotomising continuous variables
- Standard deviations and standard errors
- Treatment allocation by minimisation
- Diagnostic tests 4: likelihood ratios
- The logrank test
- Interaction revisited: the difference between two estimates
- Validating scales and indexes
- Analysing controlled trials with baseline and follow up measurements
- Concealing treatment allocation in randomised trials
- Blinding in clinical trials and other studies
- …
