From: Age-treatment subgroup analyses in Cochrane intervention reviews: a meta-epidemiological study
 | No. (%) of statistically significant age-treatment interactions | ||
---|---|---|---|
P value for interaction reported in forest plots | P value for interaction not reported in the forest plots | Total | |
All age-treatment analyses | |||
 Using analytical methods reported in forest plotsa | 7/51 (13.7) | 4/14 (28.6) | 11/65 (16.9) |
 Standardized using a fixed effects modelb | 8/49 (16.3) | 5/14 (35.7) | 13/63 (20.6) |
 Standardized using a random effects modelb | 7/49 (14.3) | 4/14 (28.6) | 11/63 (17.5) |