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. 2021 Mar 15;106(8):1157–1163. doi: 10.1136/bjophthalmol-2020-318385

Table 4.

Agreement between telemedicine and in-person examinations for patients with strabismus

Distance without correction Near without correction Distance with correction Near with correction
Primary gaze
angle measurements
(ICC)		 Horizontal 1.00
(n=47)		 1.00
(n=61)		 1.00
(n=26)		 1.00
(n=34)
Vertical 0.98
(n=19)		 1.00
(n=15)		 0.98
(n=13)		 0.98
(n=12)
Motility disease categorisation
(kappa)		 Horizontal 0.98
(n=54)		 1.00
(n=69)		 0.96
(n=31)		 0.97
(n=36)
Vertical 1.00
(n=54)		 0.94
(n=69)		 1.00
(n=31)		 1.00
(n=36)

Angle measurement agreement is expressed as an intraclass correlation coefficient (ICC), and disease categorisation agreement is expressed as a kappa coefficient. N refers to the number of pairs evaluated.