. 2020 Jun 16;3(6):e208035. doi: 10.1001/jamanetworkopen.2020.8035

Table 4. Association Between Any Prior Cataract Surgery and DR Incidence.

Model	Malay participants (n = 690 eyes)		Indian participants (n = 1044 eyes)		Combined (n = 1734 eyes)
Model	RR (95% CI)	P value	RR (95% CI)	P value	RR (95% CI)	P value
Model 1^a	2.22 (1.45-3.41)	<.001	2.10 (1.44-3.06)	<.001	2.08 (1.56-2.78)	<.001
Model 2^b	1.73 (1.11-2.69)	.02	1.93 (1.33-2.80)	<.001	1.70 (1.26-2.30)	.001

Abbreviations: DR, diabetic retinopathy; RR, relative risk.

^{^a}

Adjusted for baseline age, sex, and additionally for race/ethnicity in the combined group.

^{^b}

Adjusted for baseline age, sex, race/ethnicity, baseline hemoglobin A_1c level, diabetes duration, random glucose level, antidiabetic medication use, hypertension, body mass index, smoking status.