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Table 1 Baseline characteristics of patients in the preoperative intraretinal fluid (IRF), new IRF, and IRF(−) groups

From: Perioperative intraretinal fluid observed using optical coherence tomography in the epiretinal membrane

 

Preoperative IRF(+)

New IRF

IRF(−)

p-value

Number of eyes (patients)

36 (36)

49 (49)

70 (70)

 

Age (years)

68.1 ± 6.6

64.6 ± 7.1

64.2 ± 8.2

0.047*

Male/Female (patients)

7/29

18/31

25/45

0.171

Laterality (Right/Left)

18/18

22/27

33/37

0.874

Visual acuity

 median (Snellen)

0.32

0.32

0.45

0.008*

 mean (logMAR)

0.54 ± 0.27

0.48 ± 0.28

0.38 ± 0.18

0.004*

CSMT (μm)

428.7 ± 96.9

441.1 ± 82.1

426.5 ± 51.9

0.550

Lens status (phakic/pseudophakic)

25/11

49/0

56/14

< 0.001*

Duration of surgery (minutes)

42.3 ± 12.8

43.6 ± 12.3

42.5 ± 17.0

0.701

Combined/PPV only

25/11

47/2

54/16

0.004*

No stain/TA/BBG

3/7/26

1/10/38

5/9/56

0.529

MP only/MP + ILMP

11/25

11/38

15/55

0.557

ILMP area (DD)

2.3 ± 1.7

2.6 ± 1.5

2.6 ± 1.5

0.895

  1. CSMT central subfield macular thickness, PPV pars plana vitrectomy, TA triamcinolone acetonide, BBG Brilliant Blue G, MP membrane peeling, ILMP internal limiting membrane peeling, DD Disc diameter
  2. *p < 0.05 was considered statistically significant