Table 5.
Associations of baseline BW-normalized hip abductor strength (per 0.1 Nm/kg) with baseline-to-5-year poor outcomes by Chair-Stand-Rate and LLFDI function and disability scores [Relative Risk (95% CI)] (n = 187 persons)
| Baseline Hip Abductor Strength (Nm/kg) | Chair-Stand-Rate | LLFDI Total Function | LLFDI Basic Lower Extremity Function | LLFDI Advanced Lower Extremity Function | LLFDI Disability Frequency of Participation | LLFDI Disability Limitation | LLFDI Disability Instrumental Role Limitation |
|---|---|---|---|---|---|---|---|
| Number of persons (%) with poor outcome | 71 (40.6) | 111 (59.4) | 107 (57.2) | 122 (65.2) | 91 (48.7) | 85 (45.5) | 86 (46.0) |
| Unadjusted | 0.90* (0.83, 0.98) | 0.95 (0.90, 1,00) | 0.93* (0.88, 0.99) | 0.95* (0.90, 0.99) | 0.94 (0.88, 1.01) | 0.94 (0.87, 1.01) | 0.96 (0.90, 1.03) |
| Adjusteda | 0.91* (0.83, 0.99) | 0.99 (0.95, 1.02) | 0.94* (0.88, 0.99) | 0.98 (0.95, 1.02) | 0.94 (0.88, 1.00) | 0.92* (0.85, 0.999) | 0.95 (0.88, 1.02) |
Abbreviations: BW, body weight; LLFDI, Late Life Function Disability Instrument; CI, confidence interval; K/L, Kellgren/Lawrence
*
Relative risk (RR) with associated 95% CI that excludes 1.0 was considered to be statistically significant
a
Adjusted for age, sex, hip pain during strength testing, and K/L grade of the knee with worse baseline hip abductor strength