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

Table 1 Baseline demographic characteristics of subjects with persistent macular thickening following surgical removal of epiretinal membrane

	Total (n = 48)	SMPL (n = 24)	Observation (n = 24)	P value (SMPL vs. Observation)
Age/years	63.1 ± 7.7 (43 ~ 79)	64.5 ± 8.1 (43 ~ 79)	61.6 ± 7.2 (48 ~ 76)	0.198 ^t
Male/%	33.3%	33.3%	33.3%	1.000 ^χ
LogMAR BCVA	0.30 (0.28 ~ 0.52)	0.30 (0.22 ~ 0.54)	0.30 (0.30 ~ 0.52)	0.585 ^u
IOP/mmHg	13.4 ± 2.7 (7.0 ~ 19.0)	13.7 ± 3.1 (8.0 ~ 19.0)	13.1 ± 2.3 (7.0 ~ 17.0)	0.496 ^t
CST/um	421.4 ± 80.7 (266.0 ~ 569.0)	457.0 ± 70.1 (342.0 ~ 569.0)	430.5 ± 65.8 (266.0 ~ 540.0)	0.184 ^t
AMT/um	317.5 ± 33.7 (280.0 ~ 425.0)	340.9 ± 39.0 (281.0 ~ 425.0)	330.2 ± 34.0 (280.0 ~ 405.0)	0.317 ^t

Data were presented as median (interquartile range) for BCVA and as mean ± SD (range) for IOP, CST, and AMT
SMPL Subthreshold micropulse laser, BCVA Best-corrected visual acuity, IOP Intraocular pressure, CST Central subfield thickness, AMT Average macular thickness
P^t, student^’s T-test; P^χ, chi square test; P^u, Mann-Whitney U test

ISSN: 1471-2415