Table 1. Patient characteristics in the independence and non-independence groups.
| All patients | Independence group | Non-independence group | P value | |
| (n=314) | (n=234) | (n=80) | ||
| Age, years | 80.0 ± 9.5 | 80.0 ± 9.8 | 83.5 ± 8.0 | 0.005 |
| Sex, n (%) | 0.129 | |||
| Male | 100 (32) | 69 (30) | 31 (39) | |
| Female | 214 (68) | 165 (70) | 49 (61) | |
| Height, m | 1.52 ± 0.1 | 1.52 ± 0.1 | 1.51 ± 0.1 | 0.326 |
| BMI, kg/m2 | 21.7 ± 4.0 | 22.1 ± 3.7 | 20.4 ± 4.6 | <0.001 |
| Fracture type, n (%) | 0.466 | |||
| Femoral neck fracture | 230 (73) | 174 (74) | 56 (70) | |
| Intertrochanteric fracture | 84 (27) | 60 (26) | 24 (30) | |
| Surgery, n (%) | 0.667 | |||
| ORIF | 88 (28) | 64 (27) | 24 (30) | |
| FHR | 226 (72) | 170 (73) | 56 (70) | |
| TMI on admission, kg/m2 | ||||
| Male | 6.3 ± 1.0 | 6.6 ± 0.9 | 5.6 ± 1.0 | <0.001 |
| Female | 6.0 ± 0.8 | 6.1 ± 0.8 | 5.7 ± 1.0 | <0.001 |
| ASMI on admission, kg/m2 | ||||
| Male | 6.4 ± 1.2 | 6.7 ± 1.1 | 5.9 ± 1.3 | 0.004 |
| Female | 5.2 ± 0.9 | 5.3 ± 0.9 | 4.7 ± 0.8 | <0.001 |
| MMSE-J on admission, points | 20.2 ± 5.3 | 21.5 ± 4.9 | 16.4 ± 4.5 | <0.001 |
| MNA-SF, points | 8 [6–9] | 8 [6–9] | 7 [5–8] | <0.001 |
| Onset–admission days | 22.4 ± 9.7 | 21.9 ± 8.9 | 24.1 ± 12.8 | 0.083 |
| FIM on admission, points | 63.9 ± 17.6 | 69.5 ± 14.6 | 54.0 ± 17.0 | <0.001 |
| Length of hospital stay, days | 65.3 ± 26.7 | 63.4 ± 25.5 | 70.9 ± 29.2 | 0.031 |
| Rehabilitation volume, min/day | 125.7 ± 22.4 | 128.1 ± 19.7 | 118.7 ± 27.9 | <0.001 |
| FIM at discharge, points | 98.2 ± 22.4 | 105.1 ± 18.5 | 77.9 ± 20.5 | <0.001 |
Continuous variables are displayed as mean ± standard deviation. Other data are presented as number (percentage) or median [interquartile range].
ORIF, open reduction and internal fixation; FHR, femoral head replacement.