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Table 4 Clinical outcomes

From: The outcomes of patients with very small coronary artery disease treated with thin strut cobalt chromium bare metal stents: an observational study

Variable

All patients

Vessel diameters ≤2.50 mm

Vessel diameters >2.5 mm

p value small versus large vessel diameters

Number of patients

783

205 (26.2 %)

578 (73.8 %)

Patients with clinical follow-up

735 (93.9 %)

191 (93.2 %)

544 (94.1 %)

0.627

Follow-up time (months)

9.5 ± 2.4

9.4 ± 2.1

9.6 ± 2.5

0.427

Time to discharge (days)

4.0 ± 12.8

6.0 ± 23.7

3.3 ± 4.7

0.014

In hospital MACE

30 (4.1 %)

10 (5.2 %)

20 (3.7 %)

0.349

In hospital TLR

0 (0.0 %)

0 (0.0 %)

0 (0.0 %)

In hospital MI

17 (2.3 %)

4 (2.1 %)

13 (2.4 %)

0.815

In hospital cardiac death

13 (1.8 %)

6 (3.1 %)

7 (1.3 %)

0.094

9-month MACE

75 (10.2 %)

25 (13.1 %)

50 (9.2 %)

0.126

9-month TLR (Re-PCI, CABG)

32 (4.4 %)

12 (6.3 %)

20 (3.7 %)

0.129

9-month CABG

5 (0.7 %)

1 (0.5 %)

4 (0.7 %)

0.759

9-month MI

38 (5.2 %)

11 (5.8 %)

27 (5.0 %)

0.669

9-month cardiac death

21 (2.9 %)

8 (4.2 %)

13 (2.4 %)

0.199

9-month stroke rate

3 (0.4 %)

1 (0.5 %)

2 (0.3 %)

0.771

9-month total definite/probable stent thrombosis

11 (1.4 %)

5 (2.6 %)

6 (1.1 %)

0.138

Acute stent thrombosis, ≤24

0 (0.0 %)

0 (0.0 %)

0 (0.0 %)

Subacute stent thrombosis,1-30 d

1 (0.1 %)

0 (0.0 %)

1 (0.2 %)

0.553

Late stent thrombosis, ≥30 d

10 (1.3 %)

5 (2.6 %)

5 (0.9 %)

0.081