The Healing Process and Functional Recovery of Neuroretina after Idiopathic Macular Hole Surgery without Internal Limiting Membrane Reversal Tamponade

Table 4

The relationship between the stage and healing state of full-thickness IMH.

Classification	Macular hole closed after surgery
	Yes (n = 20)	No (n = 16)
Gass’s classification, n (%)			0.004
Stage I	0 (0)	0 (0)
Stage II	10 (50.00)	3 (18.75)
Stage III	9 (45.00)	4 (25.00)
Stage IV	1 (5.00)	9 (56.25)
IVTS group classification, n (%)			0.066
Small FTMH	2 (10.00)	1 (6.25)
Medium FTMH	8 (40.00)	2 (12.50)
Large FTMH	10 (50.00)	13 (81.25)

IVTS: International Vitreomacular Traction Study; FTMH: full-thickness macular hole.