Table 2. Univariate analysis of activities of daily living scale scores [M (P25–P75)].
| Variable | ADL scale | KW/Z/r | P value |
|---|---|---|---|
| Sex | |||
| Male | 16.00 (14.00–20.75) | −2.303† | 0.021* |
| Female | 14.00 (14.00–17.00) | ||
| Age (years) | |||
| <60 | 14.00 (14.00–16.00) | −4.655† | 0.001** |
| ≥60 | 19.00 (14.00–22.75) | ||
| Education | |||
| Primary school and below | 19.00 (14.00–28.00) | 11.680† | 0.003** |
| Junior school | 14.50 (14.00–18.75) | ||
| High school and above | 16.00 (14.00–17.00) | ||
| ICU admission diagnosis | |||
| Severe pneumonia | 16.00 (14.00–21.25) | 30.900† | 0.001** |
| Cardiac surgery | 14.00 (14.00–17.00) | ||
| Other surgical | 14.00 (14.00–16.00) | ||
| Lung transplantation | 17.00 (16.00–19.75) | ||
| AECOPD∫ | 26.00 (19.00–36.00) | ||
| Others | 15.00 (14.00–18.00) | ||
| Length of MV (days)§ | |||
| 2–7 | 15.50 (14.00–19.00) | 4.326† | 0.115 |
| 8–14 | 15.00 (14.00–19.25) | ||
| ≥15 | 17.00 (14.50–21.00) | ||
| ICU length of stay (days) | |||
| 2–7 | 14.50 (14.00–19.00) | 2.277† | 0.320 |
| 8–14 | 16.00 (14.00–20.00) | ||
| ≥15 | 16.00 (14.00–21.00) | ||
| Hospital length of stay (days) | |||
| ≤14 | 16.50 (14.00–19.75) | 0.071† | 0.965 |
| 15–28 | 15.50 (14.00–21.00) | ||
| ≥29 | 16.00 (14.00–19.00) | ||
| APACHE II‖ | 0.211‡ | 0.017* |
†, KW or Z value—independent sample rank sum tests (Kruskal-Wallis H); ‡, r value—Spearman’s rank correlation coefficient [correlation analysis of APACHE II (non-normally distributed data) and ADL]; §MV, mechanical ventilation; ∫AECOPD, acute exacerbation of chronic obstructive pulmonary disease; ‖APACHE II, acute physiology and chronic health evaluation II; *, P<0.05; **, P<0.01.