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Table 1 Comparison of Pre-operative Characteristics in Two Groups

From: Hole diameter ratio for prediction of anatomical outcomes in stage III or IV idiopathic macular holes

 

Group A

Group B

t

P

Eyes

81

20

  

Age (years)

64.1 ± 4.4

67.0 ± 4.5

−0.9

0.32

Duration of symptoms (months)

8.3 ± 11.1

8.3 ± 3.9

−0.9

0.38

PreopBCVA (LogMAR)

1.1 ± 0.4

1.0 ± 0.4

−0.4

0.68

IOP (mmHg)

15.5 ± 2.8

16.0 ± 3.5

0.2

0.46

Axial Length (mm)

23.4 ± 0.7

22.9 ± 0.7

0.2

0.24

Minimum Diameter (μm)

597.6 ± 120.1

703.6 ± 116.1

−3.6

< 0.01

Maximum Diameter (μm)

1144.6 ± 182.0

1232.2 ± 186.3

−1.9

0.58

HDR

0.5 ± 0.1

0.6 ± 0.1

−1.9

0.03

  1. Group A: eyes with closed MH; Group B: eyes with unclosed MH
  2. BCVA: best corrected visual acuity; IOP: intra-ocular pressure