Table 4.

Comparison of the diagnostic performances of the iPhone and LCD monitor

Raters	Area under the ROC curve		Difference between areas	p value	95 % CI
	iPhone 5	LCD
1	0.956	0.976	−0.020	0.475	−0.074, 0.035
2	0.955	0.983	−0.027	0.143	−0.064, 0.009
3	0.962	0.983	−0.021	0.150	−0.051, 0.008
4	0.987	0.964	0.024	0.473	−0.041, 0.088
5	0.949	0.957	−0.009	0.726	−0.057, 0.040
6	0.989	0.986	0.003	0.475	−0.006, 0.012
7	0.989	0.954	0.035	0.081	−0.004, 0.075
8	0.981	0.987	−0.006	0.541	−0.026, 0.014
9	0.985	0.993	−0.008	0.326	−0.025, 0.008
10	0.992	0.978	0.014	0.573	−0.036, 0.064
11	0.992	0.993	−0.001	0.746	−0.008, 0.006
12	0.960	0.921	0.039	0.403	−0.053, 0.130
13	0.997	0.988	0.009	0.344	−0.010, 0.027
14	0.981	0.950	0.031	0.479	−0.055, 0.117
15	0.985	0.993	−0.008	0.326	−0.025, 0.008
16	0.992	0.982	0.009	0.668	−0.034, 0.052
Overall, mean (CI)	0.978 (0.965, 0.991)	0.974 (0.960, 0.988)	0.004	0.552	−0.009, 0.017

ROC receiver operating characteristics, LCD liquid crystal display, CI 95 % confidence interval