Table 5.

Intra-rater agreement for the 16 participants

Raters	Weighted kappa iPhone with LCD	p value	95 % CI
1	0.883	<0.001	0.799, 0.967
2	0.683	<0.001	0.553, 0.814
3	0.833	<0.001	0.734, 0.931
4	0.883	<0.001	0.799, 0.967
5	0.764	<0.001	0.649, 0.880
6	1.000	<0.001	1.000, 1.000
7	0.800	<0.001	0.694, 0.907
8	0.767	<0.001	0.652, 0.882
9	0.867	<0.001	0.778, 0.956
10	0.950	<0.001	0.894, 1.000
11	0.883	<0.001	0.799, 0.967
12	0.831	<0.001	0.731, 0.931
13	0.933	<0.001	0.869, 0.998
14	0.817	<0.001	0.714, 0.920
15	0.867	<0.001	0.778, 0.956
16	0.950	<0.001	0.894, 1.000

LCD liquid crystal display, CI confidence interval