Table 1 Comparison of baseline features between the two groups

Gender (male/female)

6/14

6/15

-

0.920

Age (years)

68.35 ± 6.42

69.43 ± 6.03

0.56

0.582

Laterality(right/left)

9/11

7/14

-

0.530

Duration of symptoms (years)

1.00(0.50,2.00)

2.00(1.00,3.00)

1.38

0.169

hypertension (yes/no)

6/14

9/12

-

0.520

diabetes(yes/no)

3/17

1/20

-

0.343

BCVA(logMAR)

0.40(0.30,0.58)

0.70(0.40,0.78)

1.83

0.067

IOP (mmHg)

15.23 ± 3.12

14.40 ± 2.47

0.94

0.352

IERM stage(3/4)

4/16

5/16

-

1.000

CMT(μm)

461.40 ± 81.95

513.48 ± 117.47

1.64

0.109

DRIL(absent/mild/severe)

4/10/6

5/8/8

0.22

0.823

SRF(yes/no)

1/19

1/20

-

1.000

IRC(absent/mild/modrent/severe)

13/5/2/0

12/6/3/0

0.29

0.588

IS-OS disruption(yes/no)

9/11

5/16

-

0.197