Research Article
Repeat Keratoplasty for Failed Therapeutic Keratoplasty for Microbial Keratitis: An Analysis of Characteristics and Risk Factors
Table 2
Demographic and clinical characteristics of patients who underwent therapeutic keratoplasty with and without repeat keratoplasty.
| | With repeat keratoplasty (n = 18) | Without repeat keratoplasty (n = 429) | |
| Age, years | 45.1 ± 11.4 | 48.8 ± 15.6 | 0.9937 | Gender, n of male (%) | 14 (77.8) | 276 (64.3) | 0.317 | Initial causative organism, n of cases (%) | | | | Bacteria | 2 (11.1) | 32 (7.5) | 0.459 | Fungi | 6 (33.3) | 208 (48.5) | | Viral | 0 | 10 (2.3) | | Acanthamoeba | 1 (5.6) | 11 (2.6) | | Mixed | 1 (5.6) | 16 (3.7) | | Cultural-negative | 8 (44.4) | 152 (35.4) | |
| Initial perforation, n of cases (%) | | | | Absent | 14 (77.8) | 271 (63.2) | 0.316 | Present | 4 (22.2) | 158 (36.8) | |
| Initial ocular comorbidities, n of cases (%) | | | | Absent | 16 (88.9) | 367 (85.5) | 0.577 | Chemical burn | 1 (5.6) | 7 (1.6) | | Ocular trauma | 0 | 20 (4.7) | | Ocular surface disease | 1 (5.6) | 29 (6.8) | | Glaucoma | 0 | 6 (1.4) | |
| Initial surgical procedure, n of cases (%) | | | | PK | 12 (66.7) | 325 (75.8) | 0.404 | LK | 6 (33.3) | 104 (24.2) | |
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PK, penetrating keratoplasty; LK, lamellar keratoplasty.
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