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Table 1 Characteristics of cases with proliferative diabetic retinopathy and controls included in the genome-wide analysis of DNA methylation in blood from subjects with type 1 diabetes

From: Genome-wide analysis of DNA methylation in subjects with type 1 diabetes identifies epigenetic modifications associated with proliferative diabetic retinopathy

Characteristics Controls Cases P value
N (male/female) 30 (15/15) 28 (17/11)  
Age (years)* 36.1 ± 13.7 34.0 ± 8.5 1
Diabetes duration (years) 17.1 ± 9.6 21.0 ± 3.8 1 × 10−4
HbA1c (%) 7.1 ± 1.2 8.6 ± 1.6 2 × 10−4
Systolic blood pressure (mmHg) 126.7 ± 15.9 133.0 ± 21.4 0.44
Diastolic blood pressure (mmHg) 72.9 ± 9.9 77.0 ± 8.1 0.15
  1. Data are presented a mean ± SD. P value based on Mann–Whitney two independent samples test. *Age at DNA sampling and fundus photography