Table 5

Retinopathy-free survival rates and HRs for type 2 DM according to the SIMD quintiles

Survival (retinopathy-free)
SIMD quintiles (%)(N)1 year (%)5 years (%)10 years (%)HR (95% CI)*
0–20 most deprived289695.484.775.20.95 (0.83 to 1.10)
20–40246795.284.574.50.99 (0.86 to 1.15)
40–60255694.483.875.41.03 (0.90 to 1.19)
60–80409894.084.173.51.06 (0.93 to 1.20)
80–100 least deprived221794.685.373.9
  • *ORs are derived from a Cox regression model, which also accounts for age and gender, and are relative to the most deprived SIMD quintile. SIMD quintile was not significant in this model (p=0.515).

  • DM, diabetes mellitus; SIMD, Scottish Index of Multiple Deprivation.