Table 2 Subject distribution and baseline characteristics of each dataset
From: Effectiveness of opportunistic osteoporosis screening on chest CT using the DCNN model
Overall | Training dataset | Validation dataset | Test dataset | F | P | ||
|---|---|---|---|---|---|---|---|
n = 1048 | n = 530 | n = 100 | n = 418 | ||||
Gender, n, % | Male Female | 605, 57.73% | 305, 57.55% | 62, 62.00% | 238, 56.94% | 0.862* | 0.650 |
443, 42.27% | 225, 42.45% | 38, 38.00% | 180, 43.06% | ||||
Age(yr.), mean ± SD | 51.19 ± 14.35 | 51.04 ± 14.4 | 51.11 ± 12.73 | 51.70 ± 14.97 | 0.255 | 0.775 | |
BMD (mg/cm3), mean ± SD | 130.28 ± 42.76 | 129.92 ± 42.78 | 131.30 ± 39.29 | 130.90 ± 42.96 | 0.084 | 0.919 | |
BMD categories, n (%) | Normal | 621, 27.96% | 310, 58.49% | 60, 60.00% | 251, 60.05% | ||
Osteopenia | 296, 59.64% | 150, 28.30% | 30, 30.00% | 116, 27.75% | 0.994* | 0.911 | |
OP | 131, 12.40% | 70, 13.21% | 10, 10.00% | 51, 12.20% | |||