Table 3B.

Comparison of diagnosis of video findings of rater 2 and in-person diagnosis.

	Definitive ASD: Yes	Definitive ASD: No
Rater 2 ASD: Yes	33 (84.62 %)	0 (0 %)	33 (84.62 %)
Rater 2 ASD: No	2 (5.12 %)	4 (10.26 %)	6 (15.38 %)
	35(89.74 %)	4 (10.26 %)	39 (100.00 %)

Kappa agreement between two raters’: kappa value: 0.772 p-value: < 0.001

Sensitivity = 33/35 = 94.29 % (95 % CI 80.84 – 99.30 %)

Specificity = 4/4 = 100.0 % (95 % CI 39.76 – 100 %)

Positive Predictive Value = 33/33 = 100 % (95 % CI 100–100 %)

Negative Predictive Value = 4/6 = 66.67 % (95 % CI 34.24 – 88.48 %)

Accuracy = 37/39 = 94.87 % = (82.68–99.37 %)