Fig 1.
Flow chart showing patient disposition in the study.
Table 1.
Demographic and clinical characteristics of the patients and eyes undergoing Descemet membrane endothelial keratoplasty.
Fig 2.
Comparison of surgically difficult and uncomplicated DMEK cases in terms of ECD at 6 and 12 months.
The surgically difficult cases were divided according to the type of difficulty (difficult graft preparation, unfolding, or other). The data are presented as box-whisker plots showing the median, first and third quartiles, and maximum and minimum values. Kruskal-Wallis analyses showed that the four groups differed significantly in terms of 12-month ECD (p = 0.03). Mann-Whitney U-tests showed that 12-month ECD was significantly lower in the difficult graft preparation cases (p = 0.01) and tended to be lower in the difficult graft unfolding cases (p = 0.07) compared to the group with no surgery difficulties.
Table 2.
Simple and multiple linear regression analysis of the relationship between endothelial cell density at 6 postoperative months and preoperative patient or graft or operative variables.
Table 3.
Simple and multiple linear regression analysis of the relationship between endothelial cell density at 12 postoperative months and preoperative patient or graft or operative variables.
Table 4.
Comparison of patients with 6-month ECD <1000 and ≥1000 cells/mm2 in terms of preoperative and perioperative variables.
Table 5.
Comparison of patients with 12-month ECD <1000 and ≥1000 Cells/mm2 in terms of preoperative and perioperative variables.