TABLE 6.

Patient-Reported UC Severity Index

	AUC	Sensitivity (%)	Specificity (%)
Using new calculated weightsa
Development population	0.89	83	80
Validation population	0.93	83	83
Using traditional weightsb
Development population	0.89	78	84
Validation population	0.91	81	83

^aNew weighted score = (0.7824 × Mayo stool frequency) + (1.0925 × Mayo rectal bleeding) + (1.4727 × SCCAI general well-being); remission < 1.6.

^bTraditional weighted score = (Mayo stool frequency) + (Mayo rectal bleeding) + SCCAI general well-being; remission < 1.5.