. 2022 Jan 1;30(2):368–375. doi: 10.1007/s00167-021-06828-w

Table 3.

Model performance

Probability of Revision	Model	Concordance	Calibration statistic	Calibration p-value
1 year	Original Norwegian Algorithm	0.686	4.89	n.s
1 year	Danish Knee Ligament Registry	0.678	22.24	< 0.001
2 years	Original Norwegian Algorithm	0.684	11.35	0.01
2 years	Danish Knee Ligament Registry	0.676	11.82	0.008
5 years	Original Norwegian Algorithm	0.683	6.19	n.s
5 years	Danish Knee Ligament Registry	0.678	13.98	0.003