Table 3

Incidence rate and the incidence rate ratio of DR

VariableCases: person-yearsIncidence rate
(×1000 person-years)
Incidence rate ratio95% CIP value
Sex (male/female)28:1370/27:118020.4/22.80.90.51 to 1.570.338
Deprivation; census section (4–5/1–3)10:389/45:210725.7/21.41.20.5 to 2.40.291
HbA1c (>7%/<7%)45:1873/10:67724/14.71.60.80 to 3.610.078
Onset (>18/≤18 years)21:1194/34:135617.5/250.70.38 to 1.240.101
Hypertension (yes/no)8:481/47:206916.6/22.70.70.29 to 1.560.213
Dyslipidemia (yes/no)12:546/43:200421.9/21.41.10.49 to 1.970.459
Diabetic nephropathy (yes/no)4:168/51:238223.8/21.41.10.29 to 3.020.394
Smoking habit (yes/no)13:585/42:196522.2/21.31.10.51 to 1.970.441
  • DR, diabetic retinopathy; HbA1c, glycated hemoglobin.