Table 2.
Summary of meta-analysis of ORIF versus ExFix.
| Items | Test for heterogeneity |
Analysis model | Test for overall effect |
RR or WMD 95% CI | ||
|---|---|---|---|---|---|---|
| I2 | p | Z | p | |||
| Superficial infection | 0% | 0.46 | Fixed | 3.23 | 0.001 | 2.71 (1.48,4.97) |
| Deep infection | 31% | 0.16 | Fixed | 1.51 | 0.13 | 0.65 (0.37,1.14) |
| Reduction | 0% | 0.50 | Fixed | 1.60 | 0.11 | 0.89 (0.76,1.03) |
| Arthrosis | 13% | 0.33 | Fixed | 0.16 | 0.87 | 0.98 (0.79,1.23) |
| Malunion | 0% | 0.93 | Fixed | 2.44 | 0.01 | 2.85(1.23,6.60) |
| Nonunion | 33% | 0.19 | Fixed | 2.24 | 0.02 | 2.09 (1.10,3.98) |
| Hardware removal | 0% | 0.73 | Fixed | 3.71 | 0.0002 | 0.12 (0.04,0.37) |
| Union time | 70% | 0.04 | Random | 0.93 | 0.35 | 4.35 (−4.80,13.50) |
| Clinical evaluation | 36% | 0.21 | Fixed | 0.23 | 0.82 | 1.03 (0.82,1.28) |
Abbreviations: ExFix, external fixation; ORIF, open reduction and internal fixation; RR, risk ratio; WMD, weighted mean difference; CI, confidence interval.