Table 2

Factors influencing graft failure

FactorRR (99% CI)
Surgeon experience
 <50 reports1.00
 >50 reports0.61 (0.41, 0.91)
Recipient age (years)
 0–94.58 (1.76,11.92)
 10–191.85 (0.62, 5.55)
 20–291.50 (0.66, 3.40)
 30–390.86 (0.37, 2.01)
 40–491.13 (0.54, 2.35)
 50–591.00 (0.51, 1.94)
 60–691.19 (0.68, 2.11)
 70–791.20 (0.71, 2.03)
 80+1.00
Previous grafts
 None1.00
 One1.16 (0.73, 1.82)
 Two2.59 (1.41, 4.74)
 More2.96 (1.40, 6.22)
Reasons for graft
 Visual only1.00
 Visual and other1.16 (0.76, 1.76)
 Non-visual1.88 (1.10, 3.20)
Deep vascularisation
 No1.00
 Yes1.53 (1.07, 2.20)
Stromal oedema
 Absent1.00
 Central1.39 (0.79, 2.46)
 Diffuse/uniform1.86 (1.15, 3.03)
 Other2.85 (1.34, 6.05)
Uveal inflammation
 No1.00
 Yes1.78 (1.01, 3.15)
Suture method
 Continuous1.00
 Interrupted1.03 (0.72,1.47)
 Mixed1.57 (1.01, 2.47)