Table 4.
Adjusted Risks of Complications.
| Complication | Revision THA |
Revision TKA |
||
|---|---|---|---|---|
| Odds Ratio | P Value | Odds Ratio | P Value | |
| Extended LOS (≥4 d) | 1.28 (1.12-1.47) | <.001 | 1.17 (1.03-1.32) | .016 |
| Nonhome discharge | 1.60 (1.38-1.85) | <.001 | 1.44 (1.26-1.64) | <.001 |
| 90-d Readmission | 1.37 (1.16-1.63) | <.001 | 1.43 (1.22-1.68) | <.001 |
| ED visit | 1.55 (1.34-1.78) | <.001 | 1.52 (1.34-1.74) | <.001 |
| Pain-related ED visit | 2.10 (1.33-3.30) | .001 | 2.06 (1.46-2.91) | <.001 |
| Infection | 1.34 (1.07-1.66) | .010 | 1.13 (0.93-1.38) | .228 |
| Prosthetic joint infection | 1.52 (1.15-2.01) | .004 | 1.17 (0.88-1.56) | .270 |
| Wound complication | 1.09 (0.81-1.46) | .560 | 1.20 (0.93-1.56) | .161 |
| Sepsis | 1.86 (1.17-2.95) | .008 | 1.75 (1.10-2.77) | .018 |
| Thromboembolic event | 1.20 (0.94-1.54) | .146 | 1.06 (0.85-1.31) | .613 |
| Revision surgerya | 1.36 (1.14-1.63) | .001 | 1.20 (1.01-1.44) | .046 |
| Opioid prescription after 6 mo | 1.04 (0.83-1.30) | .749 | 0.93 (0.78-1.10) | .421 |
| Net payments for admission (USD)b | +$2660 (1120-3999) | <.001 | +$3051 (1916-4186) | <.001 |
Bold values are those that are statistically significant.
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
Beta value of linear regression presents dollar increase in total hospital payments associated with a diagnosis of depression.