Evaluation of a Parental Questionnaire to Identify Atopic Dermatitis in Infants and Preschool Children

Table 2

Validation of the used questionnaire by comparison of parental reported eczema with physician diagnose of the children by age group.

Patients’ age (month)	Psychometric measures
	Sensitivity; (95% CI)	Specificity; (95% CI)	Positive; predictive value	Negative; predictive value
0 to 23	0.91 (0.70–0.99)	1 (0.81–1)^b	1	0.97
≥24	0.93 (0.66–1.00)	1 (0.76–1)^b	1	0.98
0 to 66 (total)	0.914 (0.77–0.98)	1 (0.89–1)^b	1	0.98

^bSingle sided 95% CI.