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Table 2 Multiple COX regression model for the time-cumulated exposure to systolic blood pressure and to diastolic blood pressure in relation to the new-onset of impairment of glucose tolerance in 2563 (8.0%) individuals out of 31,935 participants without impairment of glucose tolerance and without diabetes at the baseline examinations

From: Time-cumulated blood pressure exposure and incident impairment of glucose tolerance and diabetes mellitus

New-onset of impairment of glucose tolerance in participants without impairment of glucose tolerance and without diabetes at the baseline

Quartiles of cumulative systolic blood pressure (cumSBP)

Each increase in cumSBP by 10 mmHg·/ year

P-trend

 

Q1

Q2

Q3

Q4

cumSBP (Median) (mmHg x Year)

439.1

498.6

538.4

614.1

  

Number of Participants (n)

775 (5.8%)

439 (7.5%)

399 (8.8%)

950 (11.8%)

 

<0.001

Model 1

1.00

1.30 (1.15, 1.50)

1.60 (1.41, 1.82)

2.42 (2.17, 1.82)

1.04 (1.03, 1.04)

<0.001

Model 2

1.00

1.29 (1.14, 1.45)

1.56 (1.37, 1.78)

2.32 (2.07, 2.60)

1.03 (1.03, 1.04)

<0.001

Model 3

1.00

1.17 (1.02, 1.33)

1.43 (1.25, 1.64)

2.09 (1.85, 2.37)

1.03 (1.03, 1.04)

<0.001

New-onset of impairment of glucose tolerance in participants without impairment of glucose tolerance and without diabetes at the baseline

Quartiles of cumulative diastolic blood pressure (cumDBP)

Each increase in cumDBP by 5 mmHg·/ year

P-trend

 

Q1

Q2

Q3

Q4

cumDBP (Median) (mmHg x Year)

239.1

329.6

349.4

388.4

  

Number of Participants (n)

875 (6.1%)

391 (7.6%)

388 (9.0%)

909 (11.1%)

 

<0.001

Model 1

1.00

1.26 (1.11, 1.42)

1.55 (1.37, 1.75)

2.35 (2.12, 2.60)

1.03 (1.03, 1.03)

<0.001

Model 2

1.00

1.24 (1.10, 1.40)

1.53 (1.35, 1.73)

2.27 (2.05, 2.52)

1.03 (1.02, 1.03)

<0.001

Model 3

1.00

1.12 (0.98, 1.27)

1.35 (1.18, 1.54)

2.02 (1.80, 2.25)

1.02 (1.02, 1.03)

<0.001

  1. CumSBP: Q 1:cumSBP < 480mmHgxyear,Q 2:480mmHgxyear ≤ cumSBP < 520mmHgxyear,Q 3:520mmHgxyear ≤ cumSBP < 560mmHgxyear,Q 4: cumSBP ≥ 560mmHgxyear
  2. CumDBP: Q 1:cumDBP < 320mmHgxyear,Q 2:320mmHgxyear ≤ cumDBP < 340mmHgxyear,Q 3:340mmHgxyear ≤ cumDBP < 360mmHgxyear,Q 4: cumDBP ≥ 360mmHgxyear
  3. Model 1: adjusted for sex and age (years)
  4. Model 2: adjusted for model 1 and further adjusted for smoking, drinking, exercises, education and taking pressure-lowering drugs
  5. Model 3: adjusted for model 2 and further adjusted for heart rate, body mass index, and fasting serum concentration of glucose, triglycerides, high-sensitive C-reactive protein, high-density lipoproteins, low-density lipoproteins and uric acid concentration