Table 4.
Multivariate linear regression analysis of patient and surgical characteristics predicting HOOS, JR or KOOS, JR interval scores.
| Variable | Coefficient | Standard error | P value |
|---|---|---|---|
| Patient | −0.03 | 0.07 | .63 |
| Age | −0.16 | 0.17 | .36 |
| Gender | 1.55 | 3.39 | .65 |
| Surgery type (THA, TKA, UKA) | 0.47 | 2.27 | .84 |
| Race | −0.34 | 2.17 | .88 |
| Laterality (L,R) | 4.08 | 3.35 | .23 |
| BMI | 0.08 | 0.39 | .84 |
| Spinal anesthetic | 3.37 | 1.99 | .10 |
| Total care time | −0.01 | 0.02 | .69 |
| Time to discharge from PACU phase I | 0.03 | 0.03 | .19 |
| Opioid used in PACU | 1.05 | 1.01 | .31 |
BMI, body mass index; HOOS, JR, Hip Disability and Osteoarthritis Outcome Score of Joint Replacement; KOOS, JR, Knee Injury and Osteoarthritis Outcome Score for Joint Replacement; PACU, postanesthesia care unit; THA, total hip arthroplasty; TKA, total knee arthroplasty; UKA, unicondylar knee arthroplasty.