Exercise (aerobic, aerobics and weight bearing, resistance, and walking) v control (usual activity with or without drug consumption) for percent change in bone mineral density in postmenopausal women at 1–2 years*
| Comparisons | Site measured | NRCTs (number of participants) | Weighted mean difference (95 % CI) |
|---|---|---|---|
| *AWB = aerobics and weight bearing; NRCTs = number of randomised controlled trials. CI defined in glossary. | |||
| †Difference favours exercise. | |||
| ‡Meta-analyses done using a random effects model. | |||
| AWB exercise v control | Spine | 8 (336) | 1.79 (0.58 to 3.01)†‡ |
| Hip | 5 (287) | 0.68 (−1.18 to 2.53)‡ | |
| Wrist | 3 (160) | 0.09 (−1.15 to 1.33)‡ | |
| Aerobic exercise v control | Spine | 7 (375) | 0.83 (0.08 to 1.58)† |
| Hip | 5 (335) | −0.07 (−1.18 to 1.03) | |
| Wrist | 2 (186) | 1.22 (0.71 to 1.74)† | |
| Resistance exercise v control | Spine | 2 (57) | 2.50 (0.44 to 4.57)† |
| Hip | 3 (108) | 0.41 (−0.85 to 1.67) | |
| Wrist | 1 (42) | −0.28 (−3.21 to 2.65) | |
| Walking exercise v control | Spine | 3 (156) | 1.31 (−0.03 to 2.65) |








