Table 2 Regression model for effects of cSBP and pSBP on rate of cIMT change

From: Noninvasive central systolic blood pressure, not peripheral systolic blood pressure, independently predicts the progression of carotid intima-media thickness in a Chinese community-based population

CIMT progression

Median (interquartile range)

Model I

Model II

β (95%CI)

p

β (95%CI)

p

Max-cIMT

 cSBP (per SD)

8.70 (−0.49–19.43)

1.26 (0.40, 2.11)

0.004

1.07 (0.18, 1.96)

0.018

 cSBP groups

  <120.00 mmHg

8.84 (−0.55–17.89)

ref.

 

ref.

 

  120.00–140.00 mmHg

8.82 (0.00–19.36)

1.82 (−0.30, 3.94)

0.092

2.01 (−0.13, 4.15)

0.066

  ≥140.00 mmHg

8.29 (−2.70–20.21)

3.13 (0.80, 5.46)

0.009

2.80 (0.39, 5.21)

0.023

  p for trend

  

0.009

 

0.026

 pSBP (per SD)

8.70 (−0.49–19.43)

0.72 (−0.17, 1.61)

0.114

0.48 (−0.45, 1.41)

0.315

 pSBP groups

     

  <120.00 mmHg

6.85 (0.00–18.91)

ref.

 

ref.

 

  120.00–140.00 mmHg

10.27 (0.00–19.84)

2.32 (0.23, 4.41)

0.030

1.91 (−0.22, 4.04)

0.079

  ≥140.00 mmHg

7.14 (−3.09–19.40)

1.88 (−0.58, 4.35)

0.135

1.11 (−1.46, 3.68)

0.398

  p for trend

  

0.149

 

0.420

Mean-cIMT

 cSBP (per SD)

2.59 (−4.72–10.81)

0.98 (0.27, 1.70)

0.007

0.84 (0.10, 1.58)

0.027

 cSBP groups

     

  <120.00 mmHg

2.14 (−4.94–9.34)

ref.

 

ref.

 

  120.00–140.00 mmHg

3.15 (−4.14–10.90)

1.00 (−0.76, 2.76)

0.267

1.14 (−0.65, 2.92)

0.212

  ≥140.00 mmHg

2.38 (−5.69–11.84)

2.88 (0.94, 4.81)

0.004

2.63 (0.63, 4.63)

0.010

  p for trend

  

0.003

 

0.009

 pSBP (per SD)

2.59 (−4.72–10.81)

0.73 (−0.01, 1.48)

0.054

0.59 (−0.18, 1.37)

0.135

 pSBP groups

  <120.00 mmHg

2.71 (−4.50–9.85)

ref.

 

ref.

 

  120.00–140.00 mmHg

2.92 (−4.13–11.38)

1.42 (−0.32, 3.16)

0.111

1.23 (−0.54, 3.01)

0.173

  ≥140.00 mmHg

1.88 (−5.97–10.74)

1.49 (−0.57, 3.54)

0.157

1.00 (−1.14, 3.14)

0.360

  p for trend

  

0.166

 

0.374

  1. Rate of cIMT change: (cIMT (follow-up) – cIMT (baseline)) / cIMT (baseline) × 100%; model I adjusted for: sex, age, body mass index, baseline cIMT; model II adjusted for: sex, age, body mass index, baseline cIMT, serum creatinine, current smoking, diabetes, dislipidemia, using of antihypertensive, antidiabetes and lipid-lowing drugs
  2. cSBP central systolic blood pressure (mmHg), pSBP peripheral systolic blood pressure (mmHg), median (interquartile range) median and interquartile range of cIMT change (%), cIMT carotid intima-media thickness