Skip to main content

Table 4 Baseline patients demographics for different gas groups

From: Comparison of outcomes between 20, 23 and 25 gauge vitrectomy for idiopathic macular hole

Parameter

C3F8, n= 75

SF6, n= 67

P value

Age, years

   

Mean ±SD

69.8±8.3

65.6±8.2

0.003a

Range

47-87

46-86

 

Gender, n, %

   

Female

49/ 65.3 %

49/73.1 %

0.316c

Male

26/34.7 %

18/26.9 %

 

Preoperative VA

   

Median (logMAR)

0.70

0.70

0.381b

Range (logMAR)

0.30-2.30

0.18-1.82

 

Lens Status, n, %

   

Phakic

54/75 %

62/92.5 %

0.002c

Pseudophakic

12/28 %

5/7.5 %

 

Stage of MH, n, %

   

Stage 2

24/32 %

23/34 %

 

Stage 3

34/46 %

20/30 %

0.022c

Stage 4

12/16 %

24/36 %

 

ICG

75/100 %

62/92.5 %

0.055c

Duration face-down

   

positioning, Mean by Day

9.1

8.5

0.126a

  1. Abbreviation: n number, % percent
  2. aT-test
  3. bMann-Whitney U test
  4. cChi-square test and Fisher’s exact test