Table 4.

The 95% confidence intervals for areas under the receiver operating characteristic curves (AUCs), cut-off values, sensitivity, specificity, and minimal clinically important differences (MCIDs) for age-specific versions of the Infants and Toddlers Dermatology Quality of Life questionnaire

	AUC (95% CI)	Cut-off	Sensitivity (95% CI)	Specificity (95% CI)	MCID
0–11 months (n = 161)
Dermatologists’ assessment	0.81 (0.74; 0.88)	2	0.81 (0.74; 0.89)	0.68 (0.57; 0.80)	3
Parental assessment	0.72 (0.64; 0.79)	2	0.77 (0.68; 0.85)	0.54 (0.43; 0.66)	3
1–2 years (n = 135)
Dermatologists’ assessment	0.74 (0.66; 0.82)	4	0.58 (0.47; 0.69)	0.80 (0.69; 0.90)	5
Parental assessment	0.76 (0.70; 0.85)	4	0.65 (0.53; 0.76)	0.75 (0.66; 0.85)	5
3–4 years (n = 121)
Dermatologists’ assessment	0.84 (0.76; 0.92)	2	0.87 (0.80; 0.95)	0.71 (0.58; 0.85)	3
Parental assessment	0.84 (0.76; 0.91)	3	0.84 (0.76; 0.928)	0.75 (0.63; 0.87)	4