Polychotomization of continuous variables in regression models based on the overall C index

Table 5 Probability profile table for rhabdomyolysis

T	QTC	BT	risk
-	-	-	0.0003
-	-	+	0.0025
-	+	-	0.0079
-	+	+	0.0542
+	-	-	0.0078
+	-	+	0.0532
+	+	-	0.152
+	+	+	0.562
++	-	-	0.149
++	-	+	0.557
++	+	-	0.801
++	+	+	0.966

Abbreviations: T = time from taking the drug to arrival at hospital ('++' for more than or equal to 12 hours, '+' for less than 12 hours and more than or equal to 5 hours, '-' for less than 5 hours); QTC = ECG QTc ('+' for more than or equal to 0.45, '-' for less than 0.45); BT = body temperature ('+' for more than or equal to 37.2° or less than or equal to 34.0°, '-' for otherwise).