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Table 3 Comparison of the patency rate and stenosis degree of the grafts between the two groups

From: Preventing graft restenosis after coronary artery bypass grafting with tissue-type plasminogen activator

Parameters

t-PA group

Conventional group

p

Number of the grafts

LIMA/SV

101

34 (11/23)

67 (23/44)

 

Patency rate at 1-week after surgery (%)

 LIMA

11/11 (100)

23/23(100)

 SV

23/23 (100)

43/44 (97.7)

0.74

Patency rate at 1-month after surgery (%)

 LIMA

11/11 (100)

22/23 (97.7)

0.70

 SV

22/23 (95.7)

42/44 (95.5)

0.56

Patency rate at 3-month after surgery (%)

 LIMA

11/11 (100)

22/23 (95.7)

0.70

 SV

22/23 (95.7)

41/44 (93.2)

0.89

Stenosis degree at 1-week after surgery (%)

 LIMA

8.2 ± 4.3

8.7 ± 6.2

0.81

 SV

9.2 ± 5.5

9.3 ± 6.0

0.96

Stenosis degree at 1-month after surgery (%)

 LIMA

11.5 ± 6.3

12.1 ± 5.8

0.78

 SV

18.1 ± 6.3

19.2 ± 6.8

0.65

Stenosis degree at 3-month after surgery (%)

 LIMA

16.5 ± 6.7

16.8 ± 7.1

0.90

 SV

22.3 ± 6.2

29.1 ± 7.3

0.01