Prediction of early vascular cement leakage following percutaneous vertebroplasty in spine metastases: the Peking University First Hospital Score (PUFHS)

Table 5 The calibration performances of the PUFHS in the training and validation group

Evaluation analysis	Slope	95% CI	Intercept	95% CI	Goodness-of-Fit test
The training group	0.78	0.45–1.10	0.06	−0.04–0.17	0.98
The validation group	1.10	0.73–1.46	−0.0079	−0.11–0.092	0.16

Abbreviations: PUFHS Peking University First Hospital Score, CI confidence interval

ISSN: 1471-2407