Table 2 Comparison of patient characteristics of the train-validation and test sets
Features | Train-validation set (n = 208) | Test set (n = 53) | P-value |
|---|---|---|---|
Demographic Information | |||
Age | 72.0 ± 4.8 | 73.5 ± 4.8 | 0.049* |
Sex | 0.49 | ||
Male | 81 (39.7%) | 24 (46.2%) | |
Female | 123 (60.3%) | 28 (53.8%) | |
Height (m) | 1.6 ± 0.1 | 1.6 ± 0.1 | 0.44 |
Weight (kg) | 61.8 ± 10.0 | 64.4 ± 10.4 | 0.11 |
BMI (kg/m2) | 25.0 ± 3.0 | 25.6 ± 3.0 | 0.15 |
Geriatric Assessment Tools | |||
Activities of daily living (ADL) | 7.6 ± 1.8 | 7.5 ± 1.7 | 0.67 |
Instrumental activities of daily living (IADL) | 13.2 ± 4.3 | 12.9 ± 4.0 | 0.63 |
Geriatric depression scale (GDS) – short form | 5.4 ± 3.7 | 6.5 ± 3.6 | 0.07 |
Mini-mental state exam (MMSE) | 27.1 ± 2.3 | 27.0 ± 2.6 | 0.78 |
Charlson comorbidity index (CCI) | 0.8 ± 1.2 | 1.2 ± 1.6 | 0.20 |
Mini-nutritional assessment (MNA) | 22.2 ± 4.2 | 21.7 ± 4.3 | 0.53 |
Economic dependence | 0.65 | ||
Independent | 140 (67.3%) | 38 (71.7%) | |
Dependent | 68 (32.7%) | 15 (28.3%) | |
Living dependence | 0.75 | ||
Independent | 146 (70.2%) | 39 (73.6%) | |
Dependent | 62 (29.8%) | 14 (26.4%) | |
Frailty Measures | |||
Modified frailty index − 11 (mFI-11) | 0.1 ± 0.1 | 0.1 ± 0.1 | 0.65 |
Modified frailty index − 5 (mFI-5) | 1.2 ± 0.9 | 1.2 ± 0.8 | 0.63 |
Timed-up-and-go test (TUGT) (s) | 21.8 ± 44.0 | 13.7 ± 5.6 | 0.02* |
Fall history within 6 months | 0.50 | ||
No | 186 (89.4%) | 45 (84.9%) | |
Yes | 22 (10.6%) | 8 (15.1%) | |
Fracture due to fall within 6 months | 0.78 | ||
No | 200 (96.2%) | 52 (98.1%) | |
Yes | 8 (3.8%) | 1 (1.9%) |