Clinical Characteristics of Lamellar Macular Hole Subtypes: Degenerative and Tractional

Table 2

Anatomical and clinical characteristics of degenerative and tractional LMH.

Factors		Degenerative LMH	Tractional LMH	value^†
CST	Baseline	300.0 ± 64.8 μm	319.4 ± 53.3 μm	0.141
	End of follow-up	300.8 ± 70.9 μm	324.6 ± 51.5 μm	0.092
		= 0.931	= 0.508
MID	Baseline	654.2 ± 166.1 μm	572.7 ± 197.6 μm	0.241
	End of follow-up	730.6 ± 212.0 μm	602.88 ± 201.7 μm	0.070
		= 0.045^,‡	= 0.338
MOD	Baseline	708.9 ± 375.2 μm	1131.62 ± 433.5 μm	<0.001^‡
	End of follow-up	697.8 ± 292.6 μm	1358.2 ± 604.5 μm	<0.001^‡
		= 0.231	= 0.003^,‡
BCVA, logMAR (Snellen equivalent)	Baseline	0.147 ± 0.136 (20/28)	0.224 ± 0.210 (20/33)	0.193
	End of follow-up	0.156 ± 0.189 (20/29)	0.239 ± 0.219 (20/35)	0.091
		= 0.759	= 0.532
RRT	Baseline	133.7 ± 45.1 μm	152.7 ± 37.5 μm	0.246
SFCT	Baseline	192.4 ± 81.9 μm	219.8 ± 64.9 μm	0.106
Anatomical progression rate		5 (27.7%)	27 (81.8%)	0.934

Wilcoxon signed-rank test, ^†Mann–Whitney U test, ^‡Statistically significant. CST, central subfield thickness; LMHs, lamellar macular holes; MID, maximum inner diameter; MOD, maximum outer diameter; BCVA, best-corrected visual acuity; RRT, residual retinal thickness; SFCT, subfoveal choroidal thickness.