Table 2 Comparison between diabetic and non-diabetic patients. Clinic blood pressure and ambulatory blood pressure monitoring data

From: Abnormalities in ambulatory blood pressure monitoring in hypertensive patients with diabetes

Variable

Patients with diabetes (n 12 600)

Patients without diabetes (n 55 445)

Significance a

Clinic systolic BP (mm Hg)

151.0±20.8

147.7±19.0

<0.001

Clinic diastolic BP (mm Hg)

84.4±12.6

86.7±12.4

<0.001

Daytime systolic BP (mm Hg)

135.4±15.9

131.8±14.6

<0.001

Daytime diastolic BP (mm Hg)

76.6±10.4

79.0±10.8

<0.001

Nighttime systolic BP (mm Hg)

126.0±18.2

121.0±15.9

<0.001

Nighttime diastolic BP (mm Hg)

67.4±10.4

68.6±10.4

<0.001

24-h systolic BP (mm Hg)

133.0±15.7

129.0±14.2

<0.001

24-h diastolic BP (mm Hg)

74.2±9.9

76.3±10.3

<0.001

Clinic BP⩾140/90 mm Hg (%)

79.7

76.7

<0.001

Mean daytime BP⩾135/85 mm Hg (%)

51.5

49.0

<0.001

Mean nighttime BP⩾120/70 mm Hg (%)

65.5

57.4

<0.001

Mean 24-h BP⩾130/80 mm Hg (%)

40.7

44.6

<0.001

  1. Abbreviations: BP, blood pressure; BMI, body mass index.
  2. Quantitative variables are expressed as mean±s.d. Qualitative variables are expressed as percentages.
  3. aDifferences between groups were sought using Student's t-test for quantitative data and χ2 test for qualitative variables. Numerical variables were age, sex, BMI and presence of cardiovascular adjusted by multivariate analysis of variance , and categorical variables were age, sex, BMI and presence of cardiovascular disease adjusted by multiple logistic regression.
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