Table 1.
Comparison between training/validation and test datasets.
| Variable | All (N = 196) |
Training/ Validation Dataset (N = 96) |
Test Dataset (N = 100) |
p-Value |
|---|---|---|---|---|
| Age | 64.9 (8.7) | 64.5 (8.8) | 65.2 (8.7) | 0.593 |
| Race/ethnicity | 0.248 | |||
| American Indian/Alaskan native | 1 (0.5%) | 1 (1.0%) | 0 (0.0%) | |
| Asian | 2 (1.0%) | 0 (0.0%) | 2 (2.0%) | |
| Black/African-American | 1 (0.5%) | 0 (0.0%) | 1 (1.0%) | |
| Hispanic | 2 (1.0%) | 0 (0.0%) | 2 (2.0%) | |
| Other | 1 (0.5%) | 0 (0.0%) | 1 (1.0%) | |
| White | 189 (96.4%) | 95 (99.0%) | 94 (94.0%) | |
| Gender, male | 23 (11.7%) | 12 (12.5%) | 11 (11.0%) | 0.826 |
| Height (m) | 1.65 (0.08) | 1.65 (0.08) | 1.64 (0.08) | 0.47 |
| Weight (kg) | 76.2 (19.2) | 76.5 (19.1) | 75.8 (19.4) | 0.8 |
| BMI (kg/m2) | 27.9 (6.4) | 27.9 (6.4) | 27.9 (6.4) | 0.991 |
| Diagnosis | 1 | |||
| Osteoporosis | 54 (27.6%) | 26 (27.1%) | 28 (28.0%) | |
| Osteopenia | 116 (59.2%) | 57 (59.4%) | 59 (59.0%) | |
| Normal | 26 (13.3%) | 13 (13.5%) | 13 (13.0%) |
BMI—body mass index; osteoporosis—minimum BMD T-score ≤ −2.5; osteopenia—−2.5 < minimum BMD T-score < −1; normal—minimum BMD T-score ≥ −1; ***—p-value < 1 × 10−3; **—1 × 10−3 < p-value < 1 × 10−2; *—1 × 10−2 < p-value < 5 × 10−2.