Table 1 Demographic characteristics of participants.

From: Radiomics models based on thoracic and upper lumbar spine in chest LDCT to predict low bone mineral density

 

Total (n = 905)

Training set (n = 622)

Validation set (n = 283)

Sex, male/female

590/315

405/217

185/98

Age, years old

59.7 ± 8.2

58.8 ± 7.9#

61.6 ± 8.5#

BMD

L1, mg/cm3

130.94 ± 36.95

131.59 ± 37.98

129.52 ± 34.61

L2, mg/cm3

127.05 ± 37.74

127.32 ± 38.43

126.45 ± 36.26

Normal, n

517

355

162

Osteopenia, n

309

212

97

Osteoporosis, n

79

55

24

Low BMD, n

388

267

121

  1. #represents as P < 0.05 between training and validation sets; BMD, bone mineral density. Low BMD (include osteopenia and osteoporosis).
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