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Table 1 Preoperative characteristics of patients and the transplanted grafts

From: Ultrathin Descemet stripping automated endothelial keratoplasty versus Descemet membrane endothelial keratoplasty: a fellow-eye comparison

 

UT-DSAEK

DMEK

p

Preoperative BCVA (log MAR)

0.60 ± 0.29

0.51 ± 0.11

0.10

Preoperative pachymetry (μm)

618.78 ± 39.41

629.28 ± 38.64

0.14

Donor age (y)

67.17 ± 6.27

69.56 ± 9.82

0.45

Graft ECD (cell/mm2)

2700.00 ± 59.41

2625.56 ± 124.58

0.06

Graft central thickness (μm)

80.33 ± 20.52

Diameter of the graft (μm)

7.99 ± 0.18

7.88 ± 0.13

0.10

  1. P value was assessed by the Paired-t test for BCVA, pachymetry and donor age, and by the Wilcoxon signed rank test (non-parametric) for graft ECD and diameter. UT-DSAEK= ultra-thin Descemet stripping automated endothelial keratoplasty; DMEK= Descemet membrane endothelial keratoplasty; BCVA= best corrected visual acuity; logMAR= logarithm of the minimal angle of resolution; y= years; ECD= endothelial cell density. Data are presented as mean ± standard deviation (SD)