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Table 1 Clinical demographics of microarray subjects

From: A whole blood gene expression-based signature for smoking status

 

Never

Former

Recent

Current

p value

Variable*

(N = 100)

(N = 64)

(N = 4)

(N = 41)

 

Max QCA

42.54±37

37.71±36

47.3±44

57.13±37

0.029

Sex (%Male)

67 (0.67)

54 (0.84)

3 (0.75)

34 (0.83)

0.063

Age (yrs)

59±13

63±11

53±14

54±11

0.006

Caucasian (%)

89 (0.89)

61 (0.95)

3 (0.75)

35 (0.85)

0.374

BMI

30±6

30±5

33±8

30±8

0.452

Systolic BP

136±18

133±18

130±20

135±15

0.541

Diastolic BP

83±12

79±12

78±10

80±11

0.242

Hypertension (%)

62 (0.62)

37 (0.578125)

2 (0.5)

20 (0.49)

0.180

Dyslipidemia (%)

63 (0.63)

36 (0.5625)

2 (0.5)

23 (0.56)

0.308

Neutrophil Count

3.9±1.2

3.8±1.3

4.8±1

4.8±1.7

< 0.001

Lymphocyte Count

1.9±0.5

1.9±0.7

2±0.2

2.1±0.7

0.063

  1. *Mean values are given, ± SD or % in parenthesis.
  2. Variables with p values in bold are significantly different between the four categories (< 0.05).
  3. Maximum coronary artery stenosis in all major coronary vessels of a subject, as determined by quantitative coronary angiography (QCA).