Table 4.

Endothelial cell density after Descemet's stripping automated endothelial keratoplasty by graft-related risk factors.

	No risk factor*		One risk factor		Two risk factors
Postoperative time	n	Mean (95% CI)	n	Mean (95% CI)	n	Mean (95% CI)
Graft	108	2,717 (2,651–2,783)	321	2,677 (2,639–2,714)	155	2,638 (2,586–2,690)
1 month	70	1,639 (1,508–1,770)	180	1,461 (1,366–1,557)	82	1,251 (1107–1,395)
3 months	78	1,552 (1,429–1,674)	225	1,316 (1,237–1,395)	112	1,197 (1078–1,315)
6 months	83	1,507 (1,386–1,628)	238	1,258 (1,183–1,334)	121	1,074 (966–1,183)
12 months	88	1,454 (1,319–1,589)	244	1,114 (1,039–1,188)	122	940 (836–1,044)
24 months	73	1,166 (1,033–1,298)	200	931 (847–1,014)	110	682 (589–776)
p †				0.007

CI, confidence interval.

^*The risk factors are pseudophakic donor lens status and severe endothelial folds.

^†Analyzed with a linear mixed-effect model adjusted for etiology (fixed effect) and recipient and surgeon (random effect).