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Table 1 Baseline characteristics of the study population

From: Predictive value of machine learning algorithm of coronary artery calcium score and clinical factors for obstructive coronary artery disease in hypertensive patients

 

Total

(n = 1,273)

NO-OCAD

(n = 1,061)

OCAD

(n = 212)

KS Test

p

p

 

Age, y

58.2(14.3)

56.8(14.2)

65.2(12.8)

0.128

0.047

 

Male, n (%)

692(54.4)

558(52.6)

134(63.2)

 

0.005

 

Hypertension, n (%)

    

0.074

 

Stage 1

55(4.3)

52(4.9)

3(1.4)

   

Stage 2

107(8.4)

89(8.4)

18(8.5)

   

Stage 3

1,111(87.3)

920(86.7)

191(90.1)

   

Diabetes mellitus, n (%)

337(26.5)

255(24.0)

82(38.7)

 

0.000

 

Current smoker, n (%)

362(28.4)

280(26.4)

82(38.7)

 

0.000

 

Hs-CRP

1.0(0.5–2.3)

1.0(0.5–2.2)

1.1(0.5–2.8)

0.000

0.134

 

eGFR (mL/min·1.73m2)

88.6(24.7)

97.7(28.0)

84.3(25.4)

0.568

0.144

 

LVEF, %

59.0(58.0–59.0)

59.0(58.0–59.0)

59.0(58.0–59.0)

0.000

0.022

 

TC, mmol/L

4.8(4.1–5.5)

4.8(4.5–5.5)

4.8(4.0-5.5)

0.009

0.652

 

TG, mmol/L

1.4(1.0-2.1)

1.4(1.0–2.0)

1.6(1.1–2.2)

0.000

0.043

 

HDL-C, mmol/L

1.2(0.9–1.4)

1.2(0.9–1.4)

1.1(0.9–1.3)

0.000

0.016

 

LDL-C, mmol/L

2.6(2.2–3.1)

2.6(2.2–3.1)

2.6(2.1–3.2)

0.006

0.814

 

CACS > 0, n (%)

695(54.6)

500(47.1)

195(92.0)

 

0.000

 

CACS, score

2.2(0.0-116.0)

0.0(0.0-43.5)

292.0(58.3–745.0)

0.000

0.000

 
  1. Values are presented as mean (SD), median (25th–75th percentiles) or n (%).
  2. OCAD, obstructive coronary artery disease; TC, total cholesterol; TG, triglyceride; HDL-C, high density lipoprotein cholesterol; LDL-C, low density lipoprotein cholesterol; eGFR, estimated glomerular filtration rate; hs-CRP, high-sensitivity C reactive protein; CACS, coronary artery calcium score. KS Test, Kolmogorov Smirnov Test.