Table 2 Baseline characteristics

Baseline characteristic

Age (years)

62.43 ± 10.58

62.35 ± 9.77

62.49 ± 10.71

0.829

Male sex, n (%)

662 (49.3)

281 (51.3)

381 (47.9)

0.215

Body mass index (kg/m2)

23.92 (22.13, 26.09)

24.22 (22.58,26.29)

23.73 (22.03,26.01)

0.019

Smoking, n (%)

285 (21.2)

138 (25.2)

147 (18.5)

0.003

Hypertension, n (%)

725 (54)

353 (64.4)

372 (46.9)

< 0.001

Dyslipidemia, n (%)

632 (47.1)

352 (64.4)

280 (35.2)

< 0.001

Medications treatment

Statin, n (%)

666 (49.6)

345 (63.0)

321 (40.4)

< 0.001

Antihypertensive drugs

435 (32.2)

223 (40.8)

212 (26.7)

< 0.001

Laboratory findings

Fast glucose (mmol/L)

5.85 (5.07,7.63)

7.84 (6.35,10.48)

5.15 (4.75,5.64)

< 0.001

HbA1c (%)

5.95 (5.60,7.90)

7.7 (6.60,9.20)

5.5 (5.30,5.80)

< 0.001

HDL-cholesterol (mmol/L)

1.22 (1.04,1.48)

1.13 (0.97,1.37)

1.28 (1.08,1.54)

< 0.001

LDL-cholesterol (mmol/L)

2.81 (2.24,3.54)

2.62 (2.07,3.34)

3.00 ± 0.84

< 0.001

Total cholesterol (mmol/L)

4.72 ± 1.21

4.58 ± 1.13

4.81 ± 1.22

0.001

Triglyceride (mmol/L)

1.39 (0.93,2.11)

1.55 (0.99,2.39)

1.31 (0.91,2)

0.001

CCTA findings

Tube voltage of CT acquisition

0.001

100 kVp, n (%)

773 (57.6)

297 (54.2)

475 (59.7)

120 kVp, n (%)

539 (40.2)

229 (41.8)

310 (39.4)

140 kVp, n (%)

31 (2.1)

21 (3.8)

10 (1.3)

DS

318 (23.7)

192 (35.1)

126 (15.8)

< 0.001

LAD-PCAT (HU)

− 77.25 ± 8.05

− 77.64 ± 8.27

− 76.98 ± 7.93

0.238

LCX-PCAT (HU)

− 71.30 ± 7.52

− 71.40 ± 8.04

− 71.23 ± 7.29

0.854

RCA-PCAT (HU)

− 76.98 ± 8.24

− 76.84 ± 8.80

− 77.08 ± 7.42

0.671