Table 1 Initial characteristics of RRD patients enrolled

Age (mean ± SD)

51.1 ± 12.2

49.3 ± 16.9

0.62

Gender (male, n, %)

19, 90.5%

37, 63.8%

0.04

Time between diagnosis and surgery (median, range, day)

18 (3–61)

13 (11–75)

0.46

Time between onset of symptom and surgery (median, range, day)

28 (7–84)

28 (7–336)

0.31

Diagnosis

< 0.001*

 RRD (n,%))

2, 9.5%

42, 72.4%

 RRD-CD(n, %)

14, 66.7%

14, 24.1%

Recurrent RRD(n, %)

3, 14.2%

2, 1.7%

 Combined coloboma(n, %)

2, 9.5%

0

RRD-CD on steroid treatment (n, %)

10, 71.4%

12, 85.7%

0.67

pseudophakic(n, %)

7, 33.3%

11, 19.0%

0.22*

PM (n, %)

8, 38.1%

21, 36.2%

1*

Previous PPV(n, %)

4, 19.0%

2, 3.4%

0.04 *

Previous SB(n, %)

1, 4.8%

4, 6.9%

1 *

Location of retinal break

0.03

 Anterior to equator (n, %)

1, 4.8%

36, 62.1%

< 0.001

 Posterior to equator (n, %)

17, 81.0%

21, 36.2%

 Macular hole(n, %)

3, 14.3%

1, 1.7%

0.05

 10–2 o’clock(n, %)

13, 59.1%

33, 57.9%

1.0

 3 or 9 o’clock(n, %)

5, 22.7%

11, 19.3%

0.76

 4–8 o’clock(n, %)

5, 22.7%

8, 14.0%

0.50

Macular hole with superior tear(n, %)

1, 4.8%

0, 0%

0.27

Macular hole(n, %)

1, 4.8%

2, 3.5%

1.0

PVR

0.35

 B(n, %)

12, 57.1%

37, 63.8%

 C(n, %)

5, 23.8%

17, 29.3%

 D(n, %)

2, 9.5%

2, 3.4%

 anterior PVR(n, %)

2, 9.5%

2, 3.4%

Macular-off(n, %)

21, 100%

48, 82.8%

0.05

PVD (n, %)

< 0.001*

Presurgery VA

0.04

 Less than 0.02(n, %)

14, 66.7%

21, 36.2%

 [0.02–0.1) (n, %)

7, 33.3%

30, 51.7

  > =0.5(n, %)

0

7, 12.1%