Table 1.

Prediction of RPOPs in primary osteoporosis high-risk population

	RPOPs = 1	RPOPs = 0
Training cohort (N = 84)	47	37
Abnormal bone mass	45 (45/47, 95.74%)	11 (11/37, 29.73%)
Bone mass normal	2 (2/47, 4.26%)	26 (26/37, 70.27%)
Test cohort (N = 36)	23	13
Recurrence and metastasis	19 (19/23, 82.61%)	5 (5/13, 38.46% )
Disease progression-free	4 (4/23, 17.39%)	8 (8/13, 61.54%)
Sensitivity	79.17%
Accuracy	82.61%
Precision	75.00%