Table 2 Regression models of effects of IASBPD on all-cause mortality

From: Higher systolic blood pressure difference in left not right upper limb is associated with all-cause mortality risk in a community-based population

   

Crude model

Model Ia

Model IIb

 

N

Events (%)

HR (95% CI)

P-Value

HR (95% CI)

P-Value

HR (95% CI)

P-Value

|IASBPD| Per 1 mmHg increment

  

1.02 (1.00, 1.04)

0.012

1.02 (1.00, 1.04)

0.011

1.02 (1.00, 1.04)

0.013

|IASBPD|, mmHg

≥ 10

7720

376 (4.94%)

Reference

 

Reference

 

Reference

 

< 10

908

66 (7.37%)

1.52 (1.17, 1.97)

0.002

1.53 (1.18, 2.00)

0.002

1.49 (1.14, 1.94)

0.003

IASBPD four groups, mmHg

0–10 mmHg (right arm higher <10 mmHg)

3883

189 (4.94%)

Reference

 

Reference

 

Reference

 

≥10 mmHg (right arm higher ≥10 mmHg)

380

21 (5.57%)

1.14 (0.72, 1.79)

0.576

1.17 (0.74, 1.84)

0.507

1.11 (0.70, 1.75)

0.653

−10–<0 mmHg (left arm higher ≤10 mmHg)

3956

197 (5.04%)

1.02 (0.83, 1.24)

0.858

0.90 (0.74, 1.11)

0.329

0.89 (0.73, 1.09)

0.273

<−10 mmHg (left higher >10 mmHg)

409

35 (8.73%)

1.79 (1.25, 2.57)

0.002

1.59 (1.10, 2.30)

0.013

1.56 (1.08, 2.24)

0.018

  1. IASBPD Inter-arm systolic blood pressure difference, HR hazard ratio
  2. aModel I adjusted for age, body mass index, gender, current smoking, current drinking, estimated glomerular filtration rate, diabetes, antidiabetic treatment, total cholesterol, triglycerides, lipid-lowering treatment and antihypertensive treatment
  3. bModel II further adjusted peripheral systolic blood pressure based on Model I
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