Table 3.
Univariate Analysis of Complications.
| Complication | Revision THA |
Revision TKA |
||||
|---|---|---|---|---|---|---|
| No Depression | Depression | P Value | No Depression | Depression | P Value | |
| Extended LOS (≥4 d) | 2560 (29.4%) | 433 (33.2%) | .005 | 2327 (19.5%) | 422 (21.0%) | .113 |
| Nonhome discharge | 2029 (24.2%) | 383 (30.4%) | <.001 | 2117 (18.5%) | 414 (21.5%) | .002 |
| 90-d Readmission | 969 (11.1%) | 220 (16.9%) | <.001 | 950 (7.9%) | 244 (12.1%) | <.001 |
| ED visit | 1456 (16.7%) | 331 (25.4%) | <.001 | 1574 (13.2%) | 391 (19.4%) | <.001 |
| Pain-related ED visit | 77 (0.9%) | 28 (2.1%) | <.001 | 127 (1.1%) | 52 (2.6%) | <.001 |
| Infection | 547 (6.3%) | 117 (9.0%) | <.001 | 729 (6.1%) | 140 (7.0%) | .138 |
| Prosthetic joint infection | 286 (3.3%) | 71 (5.4%) | <.001 | 332 (2.8%) | 68 (3.4%) | .113 |
| Wound complication | 327 (3.8%) | 62 (4.8%) | .082 | 392 (3.3%) | 85 (4.2%) | .030 |
| Sepsis | 83 (1.0%) | 29 (2.2%) | <.001 | 95 (0.8%) | 25 (1.2%) | .045 |
| Thromboembolic event | 480 (5.5%) | 85 (6.5%) | .143 | 636 (5.3%) | 112 (5.6%) | .646 |
| Revision surgerya | 837 (9.6%) | 178 (13.6%) | <.001 | 829 (6.9%) | 174 (8.6%) | .006 |
| Opioid prescription after 6 mo | 712 (8.2%) | 110 (8.4%) | .753 | 1152 (9.6%) | 181 (9.0%) | .369 |
| Net payments for admission (USD)b | $23,033 ± 278 | $26,466 ± 703 | <.001 | $21,556 ± 229 | $25,666 ± 516 | <.001 |
THA, total hip arthroplasty; TKA, total knee arthroplasty; LOS, length of stay; ED, emergency department; USD, US dollars.
a
Revision surgery and opioid overdose displayed with 1-y follow-up, all other complications displayed for 90 d postoperative follow-up.
b
Displayed as mean ± standard error of the mean.