Condition | Reviews | RCTs* | Participants† | Standardised mean difference | ||
25th percentile | Median | 75th percentile | ||||
Arthritis | 2 | 29 | 1859 | –0.63 | –0.52 | –0.40 |
Cancer | 12 | 72 | 4955 | –0.50 | –0.24 | 0.06 |
Blood | 1 | 3 | 249 | 0.18 | ||
Breast | 7 | 46 | 2862 | –0.72 | –0.53 | 0.44 |
Colorectal | 1 | 4 | 98 | –0.11 | ||
Lung | 1 | 6 | 695 | –0.26 | ||
Non-specific | 2 | 13 | 951 | –0.21 | –0.05 | 0.17 |
Chronis obstructive pulmonary disease | 2 | 14 | 1067 | –0.76 | –0.55 | –0.33 |
General population | 2 | 7 | 2781 | –0.99 | –0.85 | –0.70 |
HIV/AIDS | 1 | 5 | 185 | –1.23 | ||
Kidney disease | 2 | 4 | 246 | –0.78 | –0.78 | –0.78 |
Mental disorders | 6 | 40 | >2133 | –0.59 | –0.43 | –0.34 |
Anxiety | 3 | 25 | >1197 | –0.54 | –0.43 | –0.41 |
Cognitive impairment | 1 | 3 | 210 | –0.33 | ||
Post-traumatic stress disorder | 2 | 9 | >101 | –0.59 | –0.44 | –0.30 |
Schizophrenia | 1 | 3 | 94 | –0.26 | ||
Substance abuse disorder | 1 | 7 | 741 | –0.31 | ||
Multiple sclerosis | 1 | 4 | 133 | –0.16 |
*Reviews may have included overlapping randomised controlled trials.
†Randomised controlled trials may have included overlapping participants.
RCTs, randomised controlled trials.