Table 1.
Characteristics of participants at the first visit.
| Development (n = 642) | Validation (n = 155) | p-value | |
|---|---|---|---|
| Age (years old), median (IQR) | 77.0 (73.0–81.0) | 77.0 (73.0–81) | 0.94* |
| Sex | |||
| Male (n) | 238 | 50 | 0.26# |
| Female (n) | 404 | 105 | |
| Number of comorbidities, median (IQR) | 4.0 (2.0–5.0) | 4.0 (2.0–5.0) | 0.95* |
| Number of medications, median (IQR) | 5.0 (3.0–7.0) | 5.0 (3.0–8.0) | 0.80* |
| Number of medications as risk factors for falls, median (IQR) | 1.0 (0.0–2.75) | 2.0 (0.5–3.0) | 0.29* |
| BMI (kg/m2), median (IQR) | 23.6 (21.3–26.3) | 23.5 (21.2–25.6) | 0.50* |
| Calf circumference (cm), median (IQR) | 34.3 (31.8–36.5) | 33.5 (32.0–35.5) | 0.08* |
| Handgrip strength (kg), median (IQR) | 22.8 (18.0–28.6) | 22.0 (17.7–26.1) | 0.14* |
| Total SPBB scores, median (IQR) | 11.0 (9.0–12.0) | 11.0 (9.0–12.0) | 0.35* |
| History of falls | |||
| Falls (n) | 207 | 49 | 0.88# |
| Nonfalls (n) | 435 | 106 | |
*Wilcoxon rank-sum test (vs validation dataset), #Chi-square test. BMI: body mass index, SPPB: short physical performance battery.