Predictive Factors for Successful Type 1 Big Bubble during Deep Anterior Lamellar Keratoplasty
Table 4
Postoperative outcome of surgical procedures.
Variable
Overall ()
Type 1 big bubble ()
No type 1 big bubble ()
value
Mean/estimate
Range/95% confidence interval
Mean/estimate
Mean/estimate
Follow-up time (months)
46
[1; 66]
47
44
0.77
36-month graft survival (%)
97
[93; 100]
95
100
0.16
LogMAR best-corrected visual acuity:
12 months after DALK ()
0.36
[0.00; 1.30]
0.30
0.41
0.036
24 months after DALK ()
0.30
[0.00; 1.10]
0.26
0.35
0.11
36 months after DALK ()
0.28
[0.00; 1.30]
0.23
0.34
0.10
Central corneal thickness (µm):
12 months after DALK ()
538
[425; 680]
509
567
<0.0001
24 months after DALK ()
557
[460; 790]
536
576
0,004
36 months after DALK ()
558
[475; 745]
546
573
0,026
Corneal endothelial cell density (cells/mm2):
12 months after DALK ()
2310
[550; 3100]
2245
2380
0.38
36 months after DALK ()
2222
[650; 3100]
2245
2195
0.75
OCT: optical coherence tomography. For survival data. From keratoplasty to last visit for successful grafts and from keratoplasty to graft failure for the failed graft. Data were available for the 77 patients unless indicated.
