Subthreshold micropulse laser therapy for early postoperative macular thickening following surgical removal of epiretinal membrane

Table 2 Best-corrected visual acuity in subgroups at baseline and follow-ups

	Baseline	1-month follow-up	3-month follow-up	P value (Baseline vs. 1-month)	P value (Baseline vs. 3-month)
SMPL	0.30 (0.22 ~ 0.54)	0.26 (0.15 ~ 0.52)	0.15 (0.10 ~ 0.30)	0.338 ^h	0.036 ^h
Observation	0.30 (0.30 ~ 0.52)	0.26 (0.15 ~ 0.39)	0.23 (0.15 ~ 0.30)	0.170 ^h	0.016 ^h

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