Table 3 Baseline and outcome parameters of weighted groups according to octogenarians and non-octogenarians.

From: Percutaneous coronary intervention for chronic total occlusion in octogenarians: a propensity score study

 

All patients (n = 248)

Octogenarians (n = 118)

Non-octogenarians (n = 130)

p value

Effect size

Demographics characteristics

Age, years

78 (31–90)

82 (80–90)

66 (31–79)

< 0.001

 

Male

181 (72.8)

70 (49)

111 (85.4)

< 0.001

0.29

BMI

28.3 ± 4.06

28.1 ± 3.7

28.5 ± 4.4

0.35

0.11

Diabetes mellitus

45 (18.1)

18 (15.1)

27 (20.9)

0.26

0.07

Hypertension

237 (95.4)

115 (97.4)

122 (93.6)

0.16

0.08

Hyperlipidemia

211 (85.1)

111 (94.2)

100 (76.9)

< 0.001

0.24

Current smoking

41 (16.6)

3 (2.3)

38 (29.6)

< 0.001

0.35

Ex-smoker

58 (23.5)

25 (20.9)

34 (25.9)

0.35

0.05

Multivessel CVD

222 (89.5)

113 (96.3)

114 (86.9)

0.06

0.22

CKD

29 (11.7)

14 (11.6)

15 (11.8)

0.9

0.05

LVEF

55 (20–65)

55 (27–55)

55 (20–65)

0.8

0.01

LVEF ≤ 40%

23 (9.3)

12 (9.9)

11 (8.7)

0.65

0.02

Previous stroke

13 (5.1)

6 (5.3)

6 (4.9)

0.86

0.01

PAD

37 (14.9)

20 (16.6)

17 (13.4)

0.39

0.05

Previous CABG

17 (7)

6 (5.1)

11 (8.8)

0.29

0.06

Previous MI

74( 29.8)

38 (31.8)

36 (27.4)

0.43

0.04

Previous PCI

183 (73.7)

89 (75.2)

94 (72.4)

0.57

0.03

NYHA

1.93 ± 0.69

1.95 ± 0.72

1.87 ± 0.67

0.19

0.17

CCS

1.95 ± 0.79

1.90 ± 0.72

2.00 ± 0.87

0.34

0.12

Procedural characteristics

CTO vessel

     

RCA

149 (60.3)

60 (50.9)

89 (68.7)

0.05

0.18

LAD

52 (20.9)

30 (25.6)

22 (16.6)

0.1

0.10

LCX

46 (18.7)

27 (22.7)

20 (15.1)

0.12

0.09

Procedural success

229 (92.3)

106 (90.2)

123 (94.2)

0.23

0.07

J-CTO Score

1.8 ± 0.77

1.98 ± 0.67

1.64 ± 0.82

< 0.001

0.47

Antegrade access

226 (91.5)

115 (97.4)

112 (86.1)

0.02

0.16

Number of stents ≤ 3

103 (42.7)

53 (45)

50 (40.5)

0.47

0.04

Total stent length (mm)

51.6 ± 28.6

46.93 ± 24.67

55.82 ± 31.2

0.01

0.31

Fluoroscopic time (min)

32.52 ± 27.5

29.82 ± 23.81

35.12 ± 30.58

0.13

0.19

Contrast agent(ml)

270.3 ± 159.6

253.9 ± 203.9

300 ± 151

0.01

0.22

Hospital stay (days)

3.5 ± 4.7

3.9 ± 3.5

3.1 ± 5.5

0.15

0.2

Complications at baseline

AKI

20 (8.3)

12 (9.9)

9 (6.7)

0.37

0.05

Bleeding

7 (2.9)

2 (1.9)

5 (3.8)

0.3

0.06

Aortic dissection

1 (0.4)

0

1 (0.8)

0.33

0.06

Ventricular fibrillation

2 (0.7)

0

2 (1.3)

0.17

0.08

complication of access side

7 (2.8)

5 (4.4)

2 (1.4)

0.2

0.08

Stroke

1 (0.2)

0

1 (0.4)

0.34

0.34

Cardiac death

3 (1.2)

2 (1.7)

1 (0.6)

0.5

0.04

 

All patients (n = 137)

Octogenarians (n = 46)

Non-octogenarians (n = 91)

p value

 

Outcome parameters

Re-occlusion

3 (2.2)

0

3 (3.3)

0.24

0.09

TVF

21 (15.4)

6 (12)

16 (17.2)

0.46

0.06

Acute MI

1 (0.7)

0

1 (1.4)

0.49

0.05

Major bleeding

2 (1.4)

0

1 (1.4)

0.48

0.05

  1. Values are n (%), median (minimum and maximum), or mean ± SD.
  2. yrs years, CVD cardiovascular disease, BMI body mass index, CKD chronic kidney disease, LVEF left ventricular ejection fraction, PAD peripheral artery disease, CABG coronary artery bypass graft, MI myocardial infarction, PCI percutaneous coronary intervention, RCA right coronary artery, LAD left anterior descending coronary artery, LCX left circumflex coronary artery, AKI acute kidney injury, Values are n (%), MACE major adverse cardiac events, TVF target vessel failure, MI myocardial infarction. Significant values are in [bold].
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