Table 2.
Patient characteristics.
| Variables | Overall | Older medical patients | Older patients with acute hip fracture | Acute high-risk abdominal surgery patients |
|---|---|---|---|---|
| Age, median (IQR) (range) (n) |
76.0 (72.0-82.3) (28-92) (n = 36) | 74.5 (72.5-77.0) (67-91) (n = 12) | 81.5 (75.8-85.5) (72-92) (n = 12) | 70.0 (57.0-78.5) (28-92) (n = 12) |
| Sex, female; n (%) | 16 (44.0) | 3 (25.0) | 8 (67.0) | 5 (42.0) |
| Gait speed (m/s), median (IQR) (n) | 0.53 (0.32-0.86) (n = 35∗) | 0.77 (0.52-1.04) (n = 12) | 0.27 (0.22-0.39) (n = 11∗) | 0.67 (0.50-0.95) (n = 12) |
| Slow walkers, n (%) | 20 (57.0) | 4 (20.0) | 10 (50.0) | 6 (30.0) |
| Fast walkers, n (%) | 15 (43.0) | 8 (53.0) | 1 (7.0) | 6 (40.0) |
| 30 s CST, median (IQR) |
10 (7-10) (n = 14) | 10 (10-11) (n = 6) | 9 (7-10) (n = 8) | |
| 30 s CST mod, median (IQR) | 4 (3-7) (n = 22) | 8 (4-11) (n = 6) | 3 (2-4) (n = 12) | 4 (3-6) (n = 4) |
∗One patient with acute hip fracture could not finish the 4-meter gait speed test due to pain; slow walkers: gait speed < 0.67 m/s; fast walkers: gait speed ≥ 0.67 m/s; 30 s CST: 30-second chair-stand test; 30 s CST mod: modified 30-second chair-stand test (use of armrests to perform the test).