A diagnostic tool for people with lumbar instability: a criterion-related validity study

Table 4 The characteristic of each model during backward stepwise technique

	Pseudo-R-squared	Hosmer-Lemeshow	AIC	BIC	AUC
Initial model
1.Interspinous gap change	0.23	0.12	98.98	122.52	0.83
2. PAIVMs
3. PPIVMs in flexion
4. PPIVMs in extension
5. Painful catch sign
6. Posterior shear test
Excluded painful catch sign	0.21	0.38	96.41	114.06	0.83
Excluded PPIVMs in extension	0.20	0.09	96.22	110.93	0.81
Exclude PPIVMs in flexion
1. Interspinous gap change	0.18	0.33	95.72	107.48	0.78
2. PAIVMs
3. Posterior shear test

Abbreviations: AIC Akaike information criterion, BIC Bayes information criterion, AUC Area Under Curve

ISSN: 1471-2474