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Table 3 Comparison of the two groups' intraoperative complications, in-hospital adverse events and long-term follow-up results

From: Clinical research of drug-coated balloon after rotational atherectomy for severe coronary artery calcification

Variable

RA/DCB (n = 57)

RA/DES (n = 261)

t/χ2/Z

p-value

Procedural complications, n (%)

5 (8.77)

22 (8.43)

0.007

0.933

Slow or no-reflow, n (%)

2 (3.51)

16 (6.13)

0.211

0.646

Perforation, n (%)

0 (0.00)

2 (0.77)

0.000

1.000

Burr entrapment, n (%)

1 (1.75)

1 (0.38)

0.068

0.794

Guidewire break, n (%)

1 (1.75)

2 (0.77)

0.000

1.000

Hypotension, n (%)

1 (1.75)

1 (0.38)

0.068

0.794

In-hospital events, n (%)

0 (0.00)

7 (2.68)

0.566

0.452

All-cause mortality, n (%)

0 (0.00)

4 (1.53)

0.081

0.776

Myocardial infarction, n (%)

0 (0.00)

2 (0.77)

0.000

1.000

Stroke, n (%)

0 (0.00)

1 (0.38)

0.000

1.000

Long-term MACCE, n (%)

7 (12.28)

49 (18.77)

1.359

0.244

All-cause mortality, n (%)

1 (1.75)

4 (1.53)

0.000

1.000

Myocardial infarction, n (%)

0 (0.00)

3 (1.15)

0.003

0.954

TLR, n (%)

4 (7.02)

36 (13.79)

1.386

0.239

Stroke, n (%)

2 (3.51)

6 (2.29)

0.004

0.951

Duration of DAPT, m

10.25 ± 3.53

12.28 ± 2.41

5.241

 < 0.001

Follow-up CAG rate, n (%)

29 (50.88)

122 (46.74)

0.321

0.571

Follow-up duration, m

15.0 (12.0, 22.5)

22.0 (15.0, 30.0)

4.014

 < 0.001

  1. MACCE, major adverse cardiovascular and cerebrovascular events; TLR, target lesion revascularization; DAPT, duration of dual antiplatelet therapy; CAG, coronary angiography