Table 5
Multiple logistic regression analysis of risk factors for any retinopathy as well as for different grades of retinopathy
| DR/No DR | Grade 1 | Grade 2 | Grade 3 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| RR (CI)/P | RR (CI)/P | RR (CI)/P | ||||||||
| Age (years) | 0.008 | 1.1 (0.8, 1.9)/0.3 | 1 (0.2, 2)/0.3 | 1.6 (1.4, 3.1)/0.06 | ||||||
| Duration (years) | <0.0001 | 4 (2, 6)/0.004 | 5 (2, 8)/0.003 | 1.1 (0.7, 2.1)/0.07 | ||||||
| IHD | 0.9 | |||||||||
| SBP (mm Hg) | 0.5 | |||||||||
| DBP (mm Hg) | 0.007 | 1.1 (0.5, 2.3)/0.06 | 5 (3, 8)/0.04 | 5 (2, 8)/0.002 | ||||||
| FCG (mmol/l) | 0.42 | |||||||||
| Urea | 0.5 | |||||||||
| Creatinine | 0.002 | 0.7 (0.5, 2.2)/0.23 | 4 (2, 7)/0.02 | 5 (3, 9)/0.01 | ||||||
| Cholesterol | <0.0001 | 1.5 (.8, 2.7)/0.08 | 5 (3, 8)/0.05 | 5 (2, 7)/0.002 | ||||||
| Triglycerides | <0.0001 | 2 (1, 3)/0.07 | 8 (5, 11)/0.02 | 11 (7, 13)/0.001 | ||||||
| Goodness of model fit | 74.2% | 76.9% | 78.7% | 74.7% | ||||||
