Table 2.

Main Preoperative and Intraoperative Outcomes in Group MC-SLO (n = 20) and Group CFP (n = 20)

	MC-SLO Group	CFP Group	P Value
Preoperative
Time to delineate ERM (sec)
Residents	73.4 ± 19.4	146.0 ± 50.8	<0.001*
Specialists	50.6 ± 12.3	122.4 ± 46.2	<0.001*
P value	<0.001†	<0.001†
Time to decide initial grasping location (sec)
Residents	46.2 ± 13.5	75.9 ± 24.1	<0.001‡
Specialists	40.3 ± 10.3	58.0 ± 16.3	<0.001‡
P value	<0.001§	<0.001§
Resident-specialist agreement score
Delineation of ERM	3.2 ± 0.9	2.2 ± 1.0	0.002‡
Initial grasping location	2.1 ± 0.8	1.6 ± 0.7	0.035‡
Intraoperative
Delineation agreement score
Residents	3.2 ± 0.9	2.0 ± 1.0	<0.001‡
Specialists	3.6 ± 0.6	3.1 ± 0.8	0.027‡
P value	0.028§	<0.001§
Accuracy of initial grasping location selection
Residents (true:false)	15:5	7:13	0.025¶
Specialists (true:false)	17:3	14:6	0.451¶
P value	0.695¶	0.056¶
ERM peeling duration (sec)	576.0 ± 115.6	760.7 ± 159.7	<0.001*
Vital dye usage (yes: no)	1: 19	5: 15	0.182¶
Number of petechial hemorrhages	2.5 ± 1.9	3.3 ± 2,5	0.231‡
Number of iatrogenic retinal surface damage	0.9 ± 0.9	1.7 ± 1.2	0.031‡
Final logMAR BCVA	0.30 ± 0.17	0.34 ± 0.15	0.436*

logMAR, logarithm of the minimal angle of resolution.

^*Unpaired t-test.

^†Paired t-test.

^‡Unpaired Mann-Whitney U test.

^§Paired Mann-Whitney U test

^¶Fisher's exact test.