REACh for the preschoolers; a developmental assessment tool for 2–5 year old children in Sri Lanka

BMC Pediatrics

Table 4 ROC curve concurrent validity analysis

Age group of REACh Assessment and number of participants in validity process	Number of items in the REACh assessment	Area under the curve	Positive if greater than or equal to	Sensitivity	Specificity
24 – 35 months N = 15	38	0.80	10	0.88	0.43
			15^*	0.88	0.71
			20	0.75	0.71
			22	0.63	0.71
36- 47 months N = 30	46	0.71	12	0.88	0.29
			13	0.75	0.29
			15	0.75	0.36
			17^*	0.75	0.43
			18	0.69	0.43
48 –60 months N = 30	45	0.73	13	0.75	0.56
			15	0.75	0.61
			16^*	0.75	0.67
			17	0.67	0.67

ISSN: 1471-2431