Table 1 Baseline characteristics of the study population

Demographics

 Age, years

67.0 (58.0–73.0) (403)

66.0 (57.0–73.0) (398)

0.13

 Male, % (n)

56.3 (227/403)

56.0 (223/398)

0.93

 Body mass index, kg/m²

24.5 (22.3–26.8) (403)

24.6 (22.5–26.8) (394)

0.57

Preprocedure vital signs

 Systolic blood pressure, mmHg

137.0 (124.0–148.0) (403)

136.0 (125.0–148.0) (398)

0.75

 Diastolic blood pressure, mmHg

82.0 (76.0–90.0) (403)

82.0 (76.0–89.0) (398)

0.56

 Heart rate, beat/min

72.0 (67.0–82.0) (403)

76.0 (68.0–82.0) (398)

0.17

Medical history

 Current smoking, % (n)

31.8 (128/403)

27.4 (109/398)

0.18

 Hypertension, % (n)

62.5 (252/403)

65.8 (262/398)

0.33

 Diabetes mellitus, % (n)

20.3 (82/403)

18.8 (75/398)

0.59

 Dyslipidemia, % (n)

4.0 (16/403)

3.5 (14/398)

0.77

 AF, % (n)

15.4 (62/403)

11.6 (46/398)

0.11

 Previous PCI with femoral access, % (n)

0.5 (2/403)

0.8 (3/398)

0.64

 Previous CABG with LIMA, % (n)

0.2 (1/403)

0.8 (3/398)

0.37

 Previous stroke, % (n)

6.7 (27/403)

6.3 (25/398)

0.81

Laboratory findings

 WBC, *10⁹/l

6.3 (5.2–7.8) (402)

6.3 (5.2–7.8) (397)

0.56

 Haemoglobin, g/l

138.0 (128.0–148.0) (402)

138.0 (129.0–152.0) (397)

0.31

 Platelet, *10⁹/l

199.0 (166.0–240.0) (402)

204.0 (173.0–242.0) (397)

0.38

 Creatinine, μmol/l

70.2 (60.0–81.9) (402)

70.4 (58.3–82.8) (396)

0.72

 UA, μmol/l

339.2 (285.6–406.6) (402)

340.6 (272.9–429.8) (396)

0.91

 HbA1C, %

6.1 (5.7–6.6) (378)

6.0 (5.7–6.7) (379)

0.19

 TC, mmol/l

4.4 (3.5–5.1) (401)

4.5 (3.7–5.2) (398)

0.09

 TG, mmol/l

1.4 (1.0–2.1) (401)

1.5 (1.1–2.22) (398)

0.06

 LDL–C, mmol/l

2.4 (1.8–2.9) (401)

2.4 (1.9–2.9) (398)

0.19

 APTT, s

26.9 (25.6–28.6) (395)

26.7 (25.1–28.2) (388)

0.06

 D-Dimer, mg/l

0.3 (0.2–0.5) (371)

0.3 (0.2–0.5) (374)

0.46

Echocardiography

 LVSD, mm

32 (29–35) (379)

31 (28–33) (368)

0.01

 LVED, mm

48 (45–51) (379)

48 (45–51) (368)

0.06

 EF, % (n)

62 (57–65) (379)

63 (59–66) (368)

 < 0.01

Medication

 Aspirin, % (n)

48.4 (195/403)

38.2 (152/398)

 < 0.01

 Indobufen, % (n)

4.7 (19/403)

6.3 (25/398)

0.33

 Clopidogrel, % (n)

36.2 (146/403)

34.7 (138/398)

0.65

 Ticagrelor, % (n)

13.2 (53/403)

10.3 (41/398)

0.21

 Statin, % (n)

88.3 (356/403)

84.7 (337/398)

0.13

 Oral anticoagulation, % (n)

15.6 (63/403)

11.6 (46/398)

0.09

Diameter of vessels

 Conventional radial artery, mm

2.3 (2.0–2.6) (403)

2.3 (2.0–2.7) (398)

0.42

 Distal radial artery, mm

2.0 (1.7–2.3) (403)

2.0 (1.8–2.3) (398)

0.01