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Table 1 General characteristics of the two independent study populations

From: Preventing misdiagnosis of diabetes in the elderly: age-dependent HbA1c reference intervals derived from two population-based study cohorts

 

SHIP-0

SHIP-Trend

P*

Age (years)

50 (36; 63)

53 (40; 64)

< 0.01

Men (%)

49.5

48.6

0.42

Smoking (%)

  

< 0.01

 Non-smoker

69.7

73.2

 

 Smoker

30.3

26.9

 

Body-mass-index (kg/m2)

26.9 (23.8; 30.1)

27.5 (24.5; 31.0)

< 0.01

Self-reported Diabetes (%)

8.0

10.5

< 0.01

Self-reported diabetes medication (%)

8.0

8.8

0.21

Systolic blood pressure (mmHG)

135 (121; 149)

127 (115; 140)

< 0.01

Diastolic blood pressure (mmHG)

83 (76; 91)

77 (70; 84)

< 0.01

Hypertension (%)

45.0

26.7

< 0.01

eGFR (ml/min)

116 (102; 126)

111 (99; 121)

< 0.01

  1. Data are expressed as median (25th percentile; 75th percentile) or percentages. *χ2-test (nominal data) or Mann-Whitney test (interval data) were performed. eGFR = estimated glomerular filtration rate