Table 4: The suggested cut points, sensitivity, specificity, and accuracy from the different statistical analyses. OLR: ordinary linear regression; MIX: mixed model regression; ROC 1: cut point with the highest product of sensitivity and specificity; ROC 2: cut point with the highest accuracy.

Cut pointSensitivitySpecificityAccuracy

3 METsOLR7200.9230.4890.826
MIX6120.9360.4220.821
ROC 116460.7950.9110.821
ROC 213100.8780.7330.846
6 METsOLR57790.1250.9840.915
MIX49800.3750.9570.910
ROC 130610.9380.6860.706
ROC 272200.0631.0000.925