Table 2.
Univariate Analysis of Complications.
| Characteristic | 90-day follow-up | 1-year follow-up | ||||||
|---|---|---|---|---|---|---|---|---|
| Infection | Noninfectious complication | Total | 1-year reoperation a | |||||
| Total | No. (%) | P value | No. (%) | P value | No. (%) | P value | ||
| Injection timing | ||||||||
| None | 206 508 | 2636 (1.28) | .207 | 1306 (0.63) | .006 | 131 425 | 1890 (1.44) | .045 |
| <30 d | 2600 | 46 (1.77) | 29 (1.12) | 1576 | 33 (2.09) | |||
| 30-60 d | 5034 | 61 (1.21) | 38 (0.75) | 3136 | 59 (1.88) | |||
| 61-90 d | 3645 | 51 (1.40) | 23 (0.63) | 2240 | 28 (1.25) | |||
| 91-180 d | 6112 | 73 (1.19) | 27 (0.44) | 3746 | 59 (1.58) | |||
| Number of injections | ||||||||
| 0 | 206 508 | 2615 (1.27) | .684 | 1306 (0.63) | .374 | 131 425 | 1890 (1.44) | <.001 |
| 1 | 8858 | 114 (1.29) | 62 (0.70) | 5851 | 67 (1.15) | |||
| 2 | 6228 | 81 (1.30) | 35 (0.56) | 3636 | 76 (2.09) | |||
| 3+ | 2305 | 36 (1.56) | 20 (0.87) | 1211 | 36 (2.97) | |||
a
Confirmed with Common Procedural Terminology Code Laterality Modifiers.