Table 3. Median Overall Grades (Range) for VR and NVR Groups on Days 1, 15, and 30
Range of summed overall grades, 0–40 on each evaluable day.
* Mann–Whitney U test comparing video review (VR) and nonvideo review (NVR) groups on days 1, 15, and 30.
†P < 0.01 for both VR and NVR groups comparing days 1 and 15 by Wilcoxon test.
‡P < 0.01 for VR group only comparing days 15 and 30 by Wilcoxon test.
NS = not significant.