Table 1.
Comparison of published odds and risk ratios for included studies in comparison with the values generated through univariate meta-analysis
| Subgroup | Study | Published analysis | Published OR or RR | Meta-analysis RR | Meta-analysis OR |
|---|---|---|---|---|---|
| Fracture | Enninghorst et al12 | Univariate | OR 2.26 (0.83 to 6.15) | 1.71 (0.91 to 3.21) | 2.26 (0.83 to 6.15) |
| Ding et al15 | Multivariate | OR 5.34 (1.05 to 27.00) | 2.53 (1.16 to 5.55) | 2.64 (1.16 to 6.02) | |
| Liu et al17 | Multivariate | OR 4.16 (1.01 to 14.16) | 1.90 (1.28 to 2.82) | 2.12 (1.32 to 3.40) | |
| Osteotomy | W-Dahl and Toksvig-Larsen26 | Multivariate | RR 2.7 (1.5 to 4.7) | 2.73 (1.59 to 4.69) | 3.95 (1.77 to 8.83) |
| Arthrodesis | Chahal et al34 | Univariate | OR 3.87 (1.21 to 12.42) | 3.09 (1.19 to 8.03) | 4.06 (1.29 to 12.83) |
| Ishikawa et al33 | Univariate | RR 2.7 | 2.63 (1.02 to 6.80) | 3.00 (1.01 to 8.90) | |
| Non-union | Chang et al39 | Univariate | OR 5.4 (1.3 to 22.13) | 2.69 (1.17 to 6.19) | 4.67 (1.19 to 18.35) |
| treatment | Little et al40 | Univariate | RR 3.7 (1.3 to 10.1) | 3.68 (1.35 to 10.09) | 5.74 (1.61 to 20.40) |
| Dinah and Vickers41 | Univariate | RR 3.4 | 3.40 (1.15 to 10.09) | 7.00 (1.51 to 32.48) | |
| Murray et al42 | Multivariate | OR 3.76 (2.39 to 5.89) | 4.63 (3.35 to 6.39) | 6.44 (4.33 to 9.59) |