Table 2.
Characteristics of studies by outcomes
| Pain | Function | Performance | QoL | |
|---|---|---|---|---|
| No. of comparisons | 97 | 97 | 105 | 42 |
| Versus usual care | 70 | 67 | 74 | 34 |
| Versus another exercise | 27 | 30 | 31 | 8 |
| No. of trials (no. participants) | 89 (7184) | 87 (7153) | 95 (6760) | 40 (3190) |
| Knee | 75 (5607) | 73 (5733) | 78 (5156) | 30 (2073) |
| Hip | 8 (703) | 9 (754) | 10 (905) | 7 (585) |
| Both | 6 (874) | 5 (666) | 7 (699) | 3 (532) |
| Age, median (IQR), years | 64.9 (62.0–68.7) | 64.9 (62.0–69.1) | 65.1 (62.4–69.8) | 65.3 (62.0–69.7) |
| BMI, median (IQR), kg/m2 | 29.0 (27.1–31.5) | 29.4 (27.2–31.5) | 29.0 (27.1–31.5) | 29.5 (27.1–31.5) |
| Female, median (IQR), % | 73.0 (61.0–80.7) | 73.4 (62.8–81.0) | 73.0 (64.1–81.0) | 73.7 (61.0–93.2) |
| Study design | ||||
| 2 arms | 86 | 83 | 91 | 39 |
| 3 arms | 3 | 4 | 4 | 1 |
Data presented for each outcome excludes outliers and un-extractable data
BMI body mass index, IQR interquartile range, QoL quality of life