Table 1.
Cohort characteristics
| Cohort Characteristics | Overall (N = 107) |
|---|---|
| WOMAC function score, mean (SD)a | 43.68 (14.92) |
| WOMAC pain score, mean (SD)a | 42.45 (17.43) |
| Index of MSK functional limitations, mean (SD)b | 3.52 (2.10) |
| Use of any supportive device in the past week, n (%) | |
| No | 73 (68.2) |
| Yes | 34 (31.8) |
| Age at surgery, mean (SD), y | 64.72 (8.84) |
| Race/ethnicity, n (%) | |
| Multiracial: Black, Hispanic, mixed‐race | 13 (12.1) |
| White | 94 (87.9) |
| Sex, n (%) | |
| Male | 52 (48.6) |
| Female | 55 (51.4) |
| BMI group, n (%) | |
| <25 | 21 (19.8) |
| ≤25‐30 | 31 (29.2) |
| ≤30‐35 | 31 (29.3) |
| ≥35 | 23 (21.7) |
| Charlson Comorbidity Index group, n (%) | |
| 0 | 43 (40.6) |
| 1 | 22 (20.7) |
| 2 | 20 (18.9) |
| 3+ | 21 (19.8) |
| Pain medication use for knee, n (%) | |
| No | 25 (23.4) |
| Yes, occasionally | 36 (33.6) |
| Yes, almost every day | 46 (43.0) |
| Pain Catastrophizing Scale, mean (SD)c | 12.22 (11.34) |
| MHI‐5 category: <68 vs ≥68, n (%)d | |
| <68 | 25 (23.4) |
| ≥68 | 82 (76.6) |
Abbreviation: BMI, body mass index; MHI‐5, five‐item Mental Health Index; MSK, musculoskeletal; WOMAC, Western Ontario and McMaster Universities Arthritis Index.
a
Scaled at 0‐100, with 100 being the worst.
b
Scaled at 0‐12, with 12 being the worst.
c
Scaled at 0‐52, with 52 being the worst.
d
Scaled at 0‐100, with 100 being the best; the cutoff is at 68.