Table 1 Preoperative characteristics of patients in BB-DALK group and PKP group
Characteristics | BB-DALK group | PKP group | P |
|---|---|---|---|
No. Eyes | 27 | 24 | |
Age, y (Mean ± SD) | 44.56 ± 15.5 | 48.79 ± 15.7 | 0.339 |
Gender n(%) | 0.220 | ||
Male Female | 17(63.0) 10(37.0) | 11(45.8) 13(54.2) | |
Profession n(%) | 0.494 | ||
Farmer Worker Professional technicians Student Other | 7(25.9) 1(3.7) 11(40.7) 3(11.1) 5(18.5) | 7(29.2) 2(8.3) 5(20.8) 2(8.3) 8(33.3) | |
Onset of symptoms to keratoplasty, d Median (Range) | 43(18–96) | 78.5(20–313) | 0.011* |
Causes n (%) | 0.991 | ||
Contact lens wear Contaminated water Plant trauma Foreign body Unknown reason | 3(11.1) 9(33.3) 6(22.2) 5(18.5) 4(14.8) | 2(8.3) 7((29.2) 5(20.8) 6(25) 4(16.7) | |
Treatment prior to diagnosis of AK n(%) | 0.902 | ||
Fungal keratitis HSV keratitis Topical corticosteroid use | 2(7.4) 11(40.7) 12(44.4) | 2((8.3) 6(25.0) 7(29.2) | |
Preoperative LogMAR BCVA | |||
Mean (SD) | 1.95 ± 0.61 | 2.93 ± 0.39 | 0.039* |
Clinical presentations at time of keratoplasty n(%) | 0.024 | ||
Ring infiltrate Endothelial plaques Hypopyon Uveitis Glaucoma | 8(29.6) 2(7.4) 4(14.8) 2(7.4) 1(3.7) | 17(70.8) 18(75) 12(50) 18(75) 9(37.5) | |
Disease stage at presentation n(%) | |||
Stage 2 Stage 3 | 19(70.4) 8(29.6) | 7(29.2) 17((70.8) | 0.003* |