Research Article
The U-Shaped Association between Bilirubin and Diabetic Retinopathy Risk: A Five-Year Cohort Based on 5323 Male Diabetic Patients
Table 2
Incidence of DR according to baseline TBiL quintiles and follow-up TBiL changes.
| DR | Quintiles of baseline TBiL(μmol/L) | Follow-up TBiL changes (μmol/L) | Total | Q1 (≤9.20) | Q2 (9.20–12.60) | Q3 (12.60–13.80) | Q4 (13.80–16.50) | Q5 (≥16.50) | ≤−2 | −2 to 2 | ≥2 |
| Number of incident cases | 61 | 57 | 40 | 51 | 60 | 115 | 105 | 49 | 269 | Incidence (%) | 5.6 (4.3–7.0) | 5.4 (4.0–6.8) | 3.4 (2.4–4.5) | 5.2 (3.8–6.2) | 5.7 (4.3–7.1) | 6.3 (5.2–7.5) | 4.9 (4.0–5.9) | 3.7 (2.7–4.8) | 5.1 (4.5–5.6) | Total person-years | 4399 | 4302 | 4638 | 3981 | 4267 | 7443 | 8692 | 5451 | 21,586 | Incidence density (per 100 person-years) | 1.4 (1.1–1.8) | 1.3 (1.0-1.7) | 0.9 (0.6–1.2) | 1.3 (1.0-1.7) | 1.4 (1.1–1.8) | 1.5 (1.3–1.9) | 1.2 (1.0-1.5) | 0.9 (0.7–1.2) | 1.2 (1.1–1.4) |
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