7.7.3
Data extraction
for continuous outcomes
Introductory text
7.7.3.1
Post-intervention versus change from baseline
7.7.3.2
Obtaining
standard deviations from standard errors and confidence intervals for
group means
7.7.3.3
Obtaining
standard deviations from standard errors, confidence intervals, t values
and P values for differences in means
7.7.3.4
Transformations
and skewed data
7.7.3.5
Medians and interquartile ranges
7.7.3.6 Ranges
7.7.3.7
No information
on variability
7.7.3.8 Combining
groups
Figure
7.7.a: Formuale for combining groups