CT severity score in COVID-19 patients, assessment of performance in triage and outcome prediction: a comparative study of different methods

Egyptian Journal of Radiology and Nuclear Medicine

Table 5 AUC, confidence interval, related inference, best threshold and related sensitivity and specificity for ROC curves about different CTSSs about diagnosis of severe/critical group at presentation and at peak disease severity and also for diagnosis of critical disease at peak severity

	Average CTSS	AUC for ROC curve	95% confidence interval	Inference about AUC	Best threshold	Sensitivity/specificity %
Diagnosis of severe/critical patients at presentation	CTSS1	0.70	0.59–0.80	Acceptable	11	60/71
	CTSS2	0.70	0.60–0.81	Acceptable	15	78/54
	CTSS3	0.69	0.58–0.80	Unsatisfactory	12	49/85
	CTSS4	0.70	0.59–0.80	Acceptable	14.5	56/76
	CTSS5	0.68	0.57–0.79	Unsatisfactory	13.5	67/61
	CTSS6	0.67	0.56–0.78	Unsatisfactory	24.5	53/73
	CTSS7	0.69	0.58–0.80	Unsatisfactory	16	62/68
Diagnosis of severe/critical patients at peak disease severity	CTSS1	0.78	0.67–0.88	Acceptable	7.5	81/59
	CTSS2	0.78	0.68–0.89	Acceptable	13	87/59
	CTSS3	0.76	0.65–0.87	Acceptable	9.5	55/86
	CTSS4	0.77	0.66–0.88	Acceptable	10	84/59
	CTSS5	0.76	0.65–0.87	Acceptable	16	92/49
	CTSS6	0.77	0.65–0.88	Acceptable	15.5	88/55
	CTSS7	0.77	0.65–0.88	Acceptable	11.5	85/59
Diagnosis of critical patients at peak disease severity	CTSS1	0.79	0.70–0.88	Acceptable	10.5	74/72
	CTSS2	0.78	0.69–0.87	Acceptable	19	72/72
	CTSS3	0.78	0.69–0.87	Acceptable	9.5	70/74
	CTSS4	0.79	0.70–0.88	Acceptable	13.5	74/68
	CTSS5	0.76	0.67–0.86	Acceptable	16.5	56/85
	CTSS6	0.79	0.70–0.88	Acceptable	22.5	70/74
	CTSS7	0.77	0.68–0.86	Acceptable	17.5	65/77