Table 4.

DECT MSU crystal deposition volume cutoff for not fulfilling gout remission criteria^*

Criteria	ROC curve analysis		Cut point, cm3	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	NPV (95% CI)	Youden's Index (95% CI)
	AUC (95% CI)	P value
Preliminary criteria	0.68 (0.56–0.79)	0.003	>0.11	0.59 (0.47–0.70)	0.80 (0.58–0.92)	0.91 (0.79–0.98)	0.36 (0.22–0.51)	0.39 (0.18–0.60)
Simplified criteria	0.77 (0.68–0.87)	<0.001	>0.11	0.71 (0.58–0.82)	0.74 (0.59–0.85)	0.79 (0.66–0.91)	0.66 (0.51–0.80)	0.46 (0.29–0.65)

^*AUC, area under the curve; CI, confidence interval; DECT, dual‐energy computed tomography; MSU, monosodium urate; PPV, positive predictive value; NPV, negative predictive value; ROC, receiver operator characteristic.