Table 1.
Descriptive statistics of subjects included in the primary analysis cohort and those randomized to PT but excluded from this analysis.
| Variable | Included in primary analysis (N = 111) |
Excluded from analysis (N = 66) |
||
|---|---|---|---|---|
| Mean (SDa) | Min-Max | Mean (SDa) | Min-Max | |
| Age | 57.1 (6.4) | 46–73 | 57.2 (7.4) | 45–71 |
| Body Mass Index | 30.4 (6.4) | 19.7–53.2 | 29.9 (5.5) | 19.2–50.3 |
| Baseline KOOSb Pain | 48.0 (17.0) | 8.3–91.7 | 46.3 (14.8) | 11.1–80.6 |
| Baseline KOOS Activities of Daily Living | 38.6 (18.9) | 2.9–88.2 | 35.9 (16.9) | 7.4–67.6 |
| Baseline mean hamstrings muscle strength (lbs) | 27.5 (14.7) | 4.2–84.6 | 24.0 (13.2) | 6.8–66.3 |
| Baseline mean quadriceps muscle strength (lbs) | 34.4 (18.5) | 4.7–105.7 | 33.0 (15.6) | 8.8–75.0 |
| Baseline Timed Up and Go (seconds) | 10.2 (3.5) | 4.9–26.1 | 9.3 (3.5) | 3.9–18.4 |
a
SD indicates standard deviation.
b
KOOS indicates Knee Injury and Osteoarthritis Outcomes Score.