Table 2.
Adjusted Association Between Continuous BRS and Demographic Characteristics
| Patient Factors | Categories | Knee | Shoulder | Overall |
| Mean difference (95% Cl) of BRS | Mean difference (95% Cl) of BRS | Mean difference (95% Cl) of BRS | ||
| Sex and age group | 1. Male </=24 | −0.05 (−0.34, 0.24) | −0.14 (−0.64,0.37) | −0.08 (−0.32, 0.16) |
| 2. Male, 24-35 | −0.36 (−0.63, −0.10) | −0.61 (−1.24, 0.03) | −0.40 (−0.64, −0.16) | |
| 3. Male, 36-50 | −0.25 (−0.46, −0.04) | −0.27 (−0.79, 0.26) | −0.25 (−0.44, −0.06) | |
| 4. Male, 51+ | −0.43 (−0.63, −0.22) | −0.35 (−0.77, 0.07) | −0.39 (−0.57, −0.21) | |
| 5. Female, </=24 | Reference | Reference | Reference | |
| 6. Female, 25-35 | −0.29 (−0.52, −0.06) | −0.10 (−0.72, 0.52) | −0.27 (−0.48, −0.06) | |
| 7. Female, 36-50 | −0.26 (−0.46, −0.07) | −0.52 (−0.98, −0.06) | −0.31 (−0.49, −0.13) | |
| 8. Female, 51+ | −0.25 (−0.44, −0.06) P=0.0049 | −0.23 (−0.65, 0.19) P=0.1971 | −0.24 (−0.41, −0.07) P=0.0008 | |
| Preoperative opioid use | 1. No | 0.23 (−0.09, 0.54) | 0.22 (−0.10, 0.55) | 0.25 (0.02, 0.47) |
| 2. Yes | Reference P=0.1636 | Reference P=0.1755 | Reference P=0.0301 | |
| Workers' Compensation | 1. No | 0.37 (0.12, 0.62) reference | 0.37 (−0.02, 0.75) reference | 0.37 (0.17, 0.58) reference |
| 2. Yes | P=0.0035 | P=0.0619 | P=0.0004 | |
| Current smoker | 1. No | 0.13 (−0.10, 0.37) reference | 0.13 (−0.21, 0.47) reference | 0.13(-0.06, 0.32) reference |
| 2. Yes | P=0.2606 | P=0.4526 | P=0.0004 |