Table 2

Hazard ratios for diabetes incidence by blood pressure categories
Blood pressure categories Number at risk Diabetes cases Person years Diabetes cases per 100 000 person years Age adjusted hazard ratios (95% CI) Age and BMI adjusted hazard ratios (95% CI) Age and multivariable adjusted* hazard ratios (95% CI)
Systolic blood pressure
< 130 mm Hg (normal) 1 279 109 36292 300 ref. ref. ref.
130 – 139 mm Hg (high-normal) 1 315 159 35541 447 1.56 (1.22-1.99) 1.39 (1.09-1.78) 1.43 (1.12-1.84)
140 – 159 mm Hg (mild hypertension) 2622 330 69845 472 1.66 (1.34-2.07) 1.40 (1.13-1.75) 1.43 (1.14-1.79)
≥ 160 mm Hg (moderate/severe) 2117 358 51695 693 2.68 (2.16-3.32) 2.03 (1.63-2.52) 1.95 (1.55-2.46)
Increase per 10 mm Hg 1.16 (1.13-1.18) 1.12 (1.08-1.14) 1.10 (1.07-1.14)
Diastolic blood pressure
< 85 mm Hg (normal) 1628 157 45528 345 ref. ref. ref.
85 – 89 mm Hg (high normal) 896 83 24227 343 1.02 (0.78-1.33) 0.95 (0.72-1.23) 0.93 (0.70-1.22)
≥ 90 mm Hg (hypertension) 4809 716 123617 579 1.82 (1.53-2.16) 1.41 (1.18-1.68) 1.34 (1.12-1.62)
Increase per 5 mm Hg 1.14 (1.12-1.17) 1.09 (1.06-1.11) 1.08 (1.06-1.11)

*Multivariable adjusted model included age, body mass index, cholesterol level, antihypertensive treatment, smoking, physical activity and occupational class.

Stahl et al.

Stahl et al. BMC Cardiovascular Disorders 2012 12:89   doi:10.1186/1471-2261-12-89

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