Table 3.

Differences in Variables Between the Groups with Primary Closed and Persistent MH Cases After the First Surgery

Variables		Group 1*	Group 2**	U; p
Age, years	M ± σ; Me (IQR); Range	63.8 ± 12.1; 60 (60–70); 15–84	62.0 ± 4.1; 61 (59–66); 59–68	44.0; 0.28
Duration of the symptoms, month	M ± σ; Me (IQR); Range	5.3 ± 7.0; 3.0 (2.0–5.3); 1.0–36.0	9.3 ± 7.9 8.5 (2.3–17.0) 2.0–18.0	45.5; 0.29
Minimum macular hole diameter (SS-OCT), mm	M ± σ; Me (IQR); Range	378.9 ± 165.3; 368.5 (230.0–470.3); 150.0–765.0	498.5 ± 244.4 578.0 (243.5–674.5); 144.0–694.0	45.0; 0.29
Axial length, mm	M ± σ; Me (IQR); Range	24.0 ± 1.9; 23.4 (23.1–24.5); 22.2–31.1	27.3 ± 3.0; 28.0 (24.2–29.7); 23.0–30.2	0.32; 0.09
Preoperative BCVA, LogMAR	M ± σ; Me (IQR); Range	0.68±0.33; 0.7 (0.5–0.7); 0.1–1.5	1.1±0.35; 1.1 (0.7–1.4); 0.7–1.4	0.26; 0.05
BCVA at 1 month, LogMAR	M ± σ; Me (IQR); Range	0.21 ± 0.12; 0.2 (0.2–0.3); 0.0–0.5	0.53 ±0.05; 0.5 (0.5–0.6); 0.5–0.6	3.0; 0,0001
BCVA at 3 months, LogMAR	M ± σ; Me (IQR); Range	0.15 ±0.11; 0.1 (0.1–0.2); 0.0–0.5	0.38 ±0.09; 0.34 (0.3–0.5); 0.3–0.5	6.5; 0.001

Notes: *Group 1 - The group with primary MH closure (N = 34 eyes). **Group 2 - The group with persistent MHs (N = 4 eyes).