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Comparison of complications between the two groups.
| Complications | Conventional group (n = 48) | 3D printing group (n = 45) | χ 2 | P value |
|---|---|---|---|---|
| Superficial infection | 4 (8.3%) | 3 (6.7%) | — | 1.000a |
| Deep infection | 0 | 0 | — | — |
| Traumatic arthritis | 2 (4.2%) | 1 (2.2%) | — | 1.000a |
| Delayed union | 3 (6.3%) | 2 (4.4%) | — | 1.000a |
| Malunion | 1 (2.1%) | 1 (2.2%) | — | 1.000a |
| Nonunion | 0 | 0 | — | — |
| Total | 10 (20.8%) | 7 (15.6%) | 0.433 | 0.510 |
Values are expressed as number (%); aP value for Fisher's exact test.
