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Table 1 Baseline characteristics of Kailuan I study (training dataset) and Kailuan II study (validation dataset) participants with low-density lipoprotein cholesterol concentrations < 70 mg/dL

From: The risk of ischemic stroke and hemorrhagic stroke in Chinese adults with low-density lipoprotein cholesterol concentrations < 70 mg/dL

 

Training dataset (Kailuan I study)

Validation dataset (Kailuan II study)

Number

9327

1753

Age, years

57.3 ± 13.7a

43.6 ± 15.1

Men, %

78.8

70.3

BMI, kg/m2

24.2 ± 3.39

23.8 ± 3.51

TG, mg/dL

144.4 ± 144.1

170.3 ± 186.5

LDL-C, mg/dL

55.6 ± 12.6

57.4 ± 10.4

HDL-C, mg/dL

58.5 ± 17.5

53.4 ± 15.7

HR, bpm

73.6 ± 9.48

74.1 ± 8.80

eGFR, ml/min/1.73 m2

88.4 ± 19.0

97.8 ± 21.9

hs-CRP, mg/Lb

0.48 ± 1.29

0.47 ± 1.04

Urine protein

 Negative

89.8

88.8

 Trace

6.28

3.04

 +

2.38

6.55

 ++

1.05

1.17

 +++

0.54

0.47

Physical activity, %

 Inactive

5.41

24.1

 Moderately active

81.7

60.0

 Vigorously active

12.9

15.9

Current smoker, %

28.8

39.5

Current drinker, %

31.1

39.4

Blood pressure control, %

 Well-controlled

63.9

70.4

 Poorly controlled

36.1

29.6

Blood glucose control, %

 Well-controlled

91.8

92.7

 Poorly controlled

8.26

7.26

  1. Abbreviations: BMI, body mass index; TG, triglyceride; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; HR, heart rate; eGFR, estimated glomerular filtration rate; hs-CRP, high-sensitivity C-reactive protein
  2. aMean ± standard deviation
  3. bhs-CRP was log-transformed