Factors influencing time to first rejection occurrence
| Factor | RR (95% CI) |
|---|---|
| Recipient age (years) | |
| 0–9 | 4.32 (1.43,13.01) |
| 10–19 | 2.60 (0.99, 6.85) |
| 20–29 | 2.40 (1.16, 5.00) |
| 30–39 | 1.93 (0.97, 3.87) |
| 40–49 | 1.55 (0.78, 3.08) |
| 50–59 | 1.43 (0.76, 2.71) |
| 60–69 | 1.32 (0.75, 2.34) |
| 70–79 | 1.19 (0.70, 2.04) |
| 80+ | 1.00 |
| Previous grafts in operated eye | |
| None | 1.00 |
| One | 1.39 (0.92, 2.11) |
| Two | 2.66 (1.56, 4.54) |
| More | 2.75 (1.34, 5.65) |
| Diagnosis of original disease | |
| Keratoconus | 1.00 |
| Primary endothelial failure | 1.48 (0.68, 3.24) |
| Secondary endothelial failure | 2.35 (1.17, 4.69) |
| Herpes simplex keratitis | 1.99 (0.99, 3.98) |
| Other inflammation | 2.43 (1.21, 4.86) |
| Stromal dystrophy | 0.98 (0.30, 3.20) |
| Trauma | 1.94 (0.88, 4.30) |
| Others | 2.28 (1.09, 4.76) |
| Glaucoma | |
| No | 1.00 |
| Yes | 1.52 (1.05, 2.21) |
| Graft size | |
| Donor + recipient | |
| ⩽14.5 mm | 1.00 |
| ⩽15.5 mm | 1.43 (0.99, 2.06) |
| >15.5 mm | 1.58 (1.08, 2.31) |
| Donor − recipient | |
| = 0 mm | 1.00 |
| ⩽0.25 mm | 0.90 (0.59, 1.37) |
| >0.25 mm | 1.19 (0.86, 1.66) |