Study A | Study B | |||||
---|---|---|---|---|---|---|
Pupil size | Undilated | Dilated | Undilated | Dilated | ||
Subjects | N=52 | N=34 | N=45 | N=42 | ||
VCD differences (observer 1 − observer 2) | Mean | −0.0346 | −0.0029 | −0.0044 | −0.0131 | |
Range | −0.6 to 0.3 | −0.2 to 0.1 | −0.3 to 0.35 | −0.2 to 0.1 | ||
95% limit of agreement | 0.3126 | 0.1228 | 0.2624 | 0.1370 | ||
F test | p<0.0001 | p<0.0001 | ||||
HCD differences | Mean | −0.0250 | −0.01765 | 0 | 0.0107 | |
(observer 1 − observer 2) | Range | −0.3 to 0.2 | −0.2 to 0.1 | −0.3 to 0.4 | −0.2 to 0.2 | |
95% limit of agreement | 0.2348 | 0.1250 | 0.2683 | 0.1491 | ||
F test | p<0.0001 | p=0.0002 |