Table A1:
Comparison of Participants Included vs. Excluded Due to Missing Data. Presented in cells: mean (SD) for continuous variables, n (%) for categorical variables.
| Cohort Characteristics | Included in Analytic Cohort | |
|---|---|---|
|
| ||
| No (n=78) | Yes (n=1093) | |
| Age | 62.6 (8.0) | 61.5 (9.1) |
| Gender | ||
| Male | 32 (41%) | 476 (44%) |
| Female | 46 (59%) | 617 (56%) |
| BMI | 31.1 (4.7) | 30.2 (4.9) |
| Number of Comorbidities | ||
| 0 | 54 (69%) | 760 (71%) |
| 1 | 12 (15%) | 189 (18%) |
| 2+ | 12 (15%) | 127 (12%) |
| Missing | 0 | 17 |
| Center for Epidemiologic Studies Depression Scale (CES-D) Score KLG | 7.4 (8.1) | 7.8 (7.9) |
| 2 | 24 (31%) | 536 (49%) |
| 3 | 27 (35%) | 401 (37%) |
| 4 | 27 (35%) | 156 (14%) |
| WOMAC Pain | 38.9 (21.4) | 30.1 (19.6) |
| Prior knee injury | ||
| No | 35 (45%) | 599 (55%) |
| Yes | 42 (55%) | 489 (45%) |
| Prior knee surgery | ||
| No | 42 (54%) | 748 (68%) |
| Yes | 36 (46%) | 344 (32%) |
| TKR between baseline and year 2 | ||
| No | 40 (51%) | 1093 (100%) |
| Yes | 38 (49%) | 0 (0%) |
| TKR between baseline and year 9 | ||
| No | 34 (44%) | 906 (83%) |
| Yes | 44 (56%) | 187 (17%) |