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. 2022 Feb 14;10(2):e26275. doi: 10.2196/26275

Table 2.

A summary of mobile apps for evaluating visual acuity.

Types			Sensitivity		Specificity		Positive LR^a		Negative LR		Diagnostic OR^b		AUC^c
Examiners
	Professional	0.72 (0.66-0.79)		0.80 (0.71-0.85)		3.81 (2.87-5.06)		0.30 (0.10-0.90)		12.25 (4.33-34.71)		0.87 (0.83-0.91)
	Nonprofessional	0.87 (0.85-0.89)		0.91 (0.90-0.91)		8.66 (8.62-10.98)		0.17 (0.08-0.34)		54.60 (21.98-135.59)		0.93 (0.86-1.00)
Patient age (years)
	3-5	0.87 (0.79-0.93)		0.78 (0.70-0.85)		3.93 (2.82-5.46)		0.17 (0.10-0.28)		24.01 (11.95-48.22)		—^d
	6-22	0.86 (0.84-0.87)		0.91 (0.90-0.91)		8.04 (6.49-9.98)		0.25 (0.10-0.66)		25.47 (9.02-71.94)		0.96 (0.92-0.99)
	≥55	0.85 (0.55-0.98)		0.98 (0.95-0.99)		37.23 (15.18-91.30)		0.16 (0.04-0.56)		236.50 (41.17-1358.49)		—
Mobile devices
	iPads	0.86 (0.76-0.92)		0.79 (0.71-0.86		4.14 (2.85-6.01)		0.18 (0.11-0.31)		22.96 (10.69-49.30)		—
	Smartphones	0.86 (0.84-0.87)		0.91 (0.90-0.91)		8.01 (6.21-10.32)		0.23 (0.09-0.54)		33.86 (13.02-88.06)		0.92 (0.81-1.00)

^aLR: likelihood ratio.

^bOR: odds ratio.

^cAUC: area under the curve.

^dNot applicable.