Table 3.

AUC, sensitivity, specificity, PPV, and NPV of the three ESSENCE-Qs in 18-month checkups

18 months (n=131)	ESSENCE-Q-M	ESSENCE-Q-N	ESSENCE-Q-P
AUC	0.69 (0.52–0.86)	0.92 (0.86–0.97)	0.85 (0.74–0.96)
Optimal cutoff score	N/A	Ntotal ≥3	Ptotal ≥3
Sensitivity	N/A	0.93 (0.66–1.00)	0.86 (0.57–0.98)
Specificity	N/A	0.74 (0.66–0.82)	0.75 (0.66–0.83)
PPV	N/A	0.30 (0.17–0.46)	0.29 (0.16–0.46)
NPV	N/A	0.99 (0.94–1.00)	0.98 (0.92–1.00)

Note: Figures in parentheses indicate 95% CI.

Abbreviations: AUC, area under the curve; CI, confidence interval; ESSENCE-Q, ESSENCE-Questionnaire; ESSENCE-Q-M, ESSENCE-Q completed by mother; ESSENCE-Q-N, ESSENCE-Q completed by public health nurse; ESSENCE-Q-P, ESSENCE-Q completed by specialized psychologist; NPV, negative predictive value; N/A, not applicable; PPV, positive predictive value.