Table 5.
Results of postoperative complications
| Outcome | Number of studies | Number | MI | SI | Risk Difference | Tests for HG |
|---|---|---|---|---|---|---|
| (sample size) | of patients | (95% CI) (p value) | (p value, I2) | |||
| Surgical adverse events | ||||||
| Superficial wound healing | 8 | 727 | 15 | 5 | 2.25 (0.90, 5.61), 0.08 | 1.00, 0% |
| Deep infections | 3 | 349 | 4 | 1 | 2.09 (0.40, 11.01), 0.39 | 0.95, 0% |
| Deep venous thrombosis | 4 | 449 | 3 | 7 | −0.02 (−0.07, 0.03), 0.45 | 0.10, 52% |
| Knee stiffness | 3 | 240 | 3 | 3 | ||
| Periprosthetic fracture | 2 | 200 | 3 | 4 | ||
| Notching of the anterior femoral condyle | 1 | 120 | 5 | 2 | ||
| Tibial component subside | 1 | 80 | 1 | 1 | ||
| Sciatica | 1 | 80 | 1 | 0 | ||
| Palsy of the deep peroneal nerve | 1 | 120 | 2 | 0 | ||
| Anterior knee pain | 1 | 100 | 1 | 1 | ||
| Patella displacement | 1 | 70 | 0 | 4 | ||
| Laceration of the tendon | 1 | 120 | 3 | 0 | ||
| Medial complications | ||||||
| Myocardial infarction | 1 | 80 | 1 | 0 | ||
| Mental changes | 1 | 80 | 1 | 0 | ||
| Congestive heart failure | 1 | 80 | 0 | 1 | ||
| Total | 9 | 43 | 29 | |||
MI = mini-incision; SI = standard incision; HG = heterogeneity.