Table 3.

HRs and 95% CI of DR incidence according to baseline TBiL levels (μmol/L).

Variable type	HR∗ (95% CI)	P
Continuous variable	0.956 (0.934–0.983)	0.001
Quintiles		0.017
Q1 (≤9.20)	1.838 (1.233–2.740)
Q2 (9.20–12.60)	1.705 (1.138–2.555)
Q3 (12.60–13.80)	1.00 (Ref)
Q4 (13.80–16.50)	1.678 (1.109–2.540)
Q5 (≥16.50)	1.903 (1.275–2.841)

^∗Adjusted for age, marital status, current smoking, current alcohol drinking, BMI, baseline Hb, ALT, baseline prevalence of hypertension and dyslipidemia, control of diabetes, duration of diabetes, and follow-up TBiL changes (as continuous variable) in the model.