Development and validation of a machine learning model to predict imminent new vertebral fractures after vertebral augmentation

Table 2 The time-dependent AUC (2 years) of different factors associated with NVFs

factors	time-dependent AUC (2 years)	95% CI	P
Radiomics signature	0.805	0.729, 0.867	< 0.0001^a
Age	0.665	0.580, 0.743	0.0004^a
Sex	0.530	0.444, 0.616	0.7324
Surgical procedure	0.581	0.494, 0.664	0.0532
Number of treated vertebra(e)	0.504	0.418, 0.590	0.8944
Location of treated vertebra(e)	0.588	0.501, 0.671	0.0318^a
IVC	0.651	0.565, 0.730	< 0.0001^a
Previous VF	0.636	0.559, 0.726	0.0008^a
Previous Multi-VF	0.594	0.507, 0.677	0.0046^a

CI confidence interval, IVC intravertebral cleft, VF vertebral fracture, AUC areas under the receiver operating characteristic curve
^aP < 0.05

ISSN: 1471-2474