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. 2013 Sep 20;347:f5555. doi: 10.1136/bmj.f5555

Table 3.

 Results of network meta-analysis improvement of function, without covariates, and additionally with adjustment for follow-up period, trial publication year, and number of sessions, with meta-regression. Figures are standardised mean difference (SMD) with 95% credible intervals and probability for cumulative ranking with surface under cumulative ranking (SUCRA)

No adjustment Covariates adjusted
SMD (95% CrI) Prob (SUCRA) SMD (95% CrI) Prob (SUCRA)
Lower limb (knee, hips or multiple joints)
No intervention control Reference 22.7 Reference 23.5
Flexibility −0.17 (−1.26 to 0.93) 40.1 −0.14 (−1.26 to 0.97) 38.8
Strengthening −0.37 (−0.84 to 0.09) 52.8 −0.36 (−0.87 to 0.14) 52.1
Aerobic −0.30 (−1.53 to 0.92) 47.9 −0.46 (−1.71 to 0.80) 55.9
Flexibility+strengthening −0.40 (−0.92 to 0.12) 54.6 −0.38 (−0.98 to 0.22) 52.9
Flexibility+aerobic −0.18 (−1.24 to 0.89) 40.7 −0.27 (−1.40 to 0.86) 46.0
Strengthening+aerobic −0.17 −1.25 to 0.91) 40.0 −0.26 (−1.46 to 0.94) 45.6
Combined −0.63 (−1.16 to -0.10) 70.9 −0.57 (−1.17 to 0.03) 66.8
Aquatic:
 Strengthening −0.43 (−1.42 to 0.56) 55.2 −0.34 (−1.36 to 0.68) 49.7
 Flexibility+strengthening −0.61 (−1.75 to 0.52) 64.9 −0.57 (−1.73 to 0.58) 62.7
 Flexibility+aerobic 0.07 (−1.23 to 1.36) 29.5 0.13 (−1.24 to 1.50) 27.1
 Strengthening+aerobic −0.86 (−2.52 to 0.79) 71.4 −0.79 (−2.47 to 0.90) 68.5
 Combined −0.49 (−1.32 to 0.33) 59.5 −0.51 (−1.40 to 0.39) 60.3
Follow-up period* 0.009 (−0.003 to 0.021)
Publication year† −0.001 (−0.056 to 0.054)
No of sessions‡ −0.000 (−0.009 to 0.008)
Knee only osteoarthritis
No intervention control Reference 23 Reference 22.4
Flexibility −0.22 (−1.36 to 0.92) 39.8 −0.23 (−1.39 to 0.93) 38.9
Strengthening −0.43 (-0.94 to 0.07) 51.6 −0.46 (−1.02 to 0.10) 51.5
Aerobic −0.32 (-1.58 to 0.94) 45.4 −0.54 (−1.83 to 0.75) 54.3
Flexibility+strengthening −0.65 (−1.38 to 0.07) 63.5 −0.73 (−1.56 to 0.11) 65.6
Flexibility+aerobic −0.21 (−1.33 to 0.91) 39.6 −0.32 (−1.51 to 0.87) 43.9
Strengthening+aerobic −0.08 (−1.43 to 1.28) 34.5 −0.08 (−1.88 to 1.72) 36.1
Combined −0.70 (−1.32 to -0.09) 67.1 −0.60 (−1.28 to 0.10) 58.9
Aquatic:
 Strengthening
 Flexibility+strengthening −0.95 (−2.51 to 0.61) 71.3 −1.02 (−2.63 to 0.59) 72.7
 Flexibility+aerobic −0.10 (−1.89 to 1.68) 37.6 −0.12 (−1.94 to 1.71) 37.4
 Strengthening+aerobic −0.90 (−2.61 to 0.81) 68.2 −0.80 (−2.55 to 0.94) 63.6
 Combined −0.64 (−2.35 to 1.08) 58.4 −0.57 (−2.32 to 1.17) 54.7
Follow-up period* 0.012 (−0.002 to 0.026)
Publication year† 0.006 (−0.055 to 0.067)
No of sessions‡ −0.003 (−0.015 to 0.009)

*Follow-up period (in weeks) centred at mean value (27.8 weeks).

†Publication year centred at 2000.

‡No of sessions centred at mean value (31.4 sessions).