Table 1.
Comparison of each age group in hospital stay
| Below 70 yr | Above 70 yr | P-value | |
|---|---|---|---|
| N (M/F) | 331 (180/151) | 748 (270/478) | |
| Age (yr) | 53.9±14.1 | 82.9±6.8 | <0.0001* |
| Length of hospital stay (day) | 28.9±27.7 | 33.4±24.4 | <0.0001* |
| FIM score | |||
| At admission | 82.2±25.3 | 56.0±26.2 | <0.0001* |
| At discharge | 108.0±23.9 | 76.6±34.9 | <0.0001* |
| FIM gain | 25.8±23.3 | 20.6±21.5 | <0.0001* |
| FIM efficiency | 1.44±1.5 | 0.83±1.0 | <0.0001* |
| Residence at admission | |||
| Home | 313 | 568 | <0.0001** |
| Hospital† | 18 | 180 | |
| Residence at discharge | |||
| Home | 287 | 445 | <0.0001** |
| Hospital† | 38 | 280 | |
| Dead | 6 | 23 | |
Notes:
†
Hospital includes social facility for the elderly. In analysis of “residence”, data of “dead” were eliminated.
*
P<0.05, Mann–Whitney U-test
**
P<0.05, chi-square test.
Abbreviations: FIM, Functional Independence Measure; yr, years; M/F, male/female; N, number of subjects.