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Table 2 Angiographic and procedural characteristics according to kidney function

From: Impact of renal insufficiency on mortality in patients with ST-segment elevation myocardial infarction treated with primary percutaneous coronary intervention

 

CrCl ≥ 60

Valid cases

CrCl < 60

Valid cases

Pvalue (CreaCl ≥ 60 vs. CreaCl < 60)

CrCl ≤30 < 60

CrCl < 30

Pvalue (CrCl < 30 vs. CrCl ≤30 < 60)

Number of patients - no.

3,218

3,218

898

898

 

810

88

 

Multivessel disease no. (%)

1,304 (41.6)

3,135

520 (59.4)

876

<0.001

464 (58.7)

56 (65.9)

0.198

Infarct related artery –no. (%)

 

3,144

 

867

<0.001

  

0.230

  Left anterior descending artery - no. (%)

1,383 (44.0)

 

340 (39.2)

  

314 (40.2)

26 (30.6)

 

  Left circumflex artery - no. (%)

451 (14.3)

 

109 (12.6)

  

100 (12.6)

9 (10.6)

 

  Right coronary artery - no. (%)

1,252 (39.8)

 

374 (43.1)

  

329 (42.1)

45 (52.9)

 

  Left main - no. (%)

58 (1.8)

 

44 (5.1)

  

39 (5.0)

5 (5.9)

 

Anterior STEMI or LBBB – no. (%)

1,401 (45.2)

3,100

372 (43.1)

864

<0.001

343 (43.8)

29 (35.8)

0.100

Killip class – no. (%)

 

3,152

 

878

<0.001

  

0.001

  I

2,925 (92.8)

 

676 (77.0)

  

624 (78.5)

52 (62.7)

 

  II

135 (4.3)

 

62 (7.1)

  

55 (6.9)

7 (8.4)

 

  III

51 (1.6)

 

51 (5.8)

  

46 (5.8)

5 (6.0)

 

  IV

41 (1.3)

 

89 (10.1)

  

70 (8.8)

19 (22.9)

 

Preintervention TIMI flow – no. (%)

 

3,143

 

863

0.248

  

0.891

  Grade 0

2,198 (54.2)

 

2,794 (58.7)

  

438 (56.2)

49 (59.9)

 

  Grade 1

265 (6.5)

 

282 (5.9)

  

51 (6.5)

4 (4.8)

 

  Grade 2

597 (14.7)

 

623 (13.1)

  

117 (15.0)

11 (13.3)

 

  Grade 3

978 (24.1)

 

1,052 (22.1)

  

174 (22.3)

19 (22.9)

 

Final TIMI flow - no. (%)

 

3,143

 

863

<0.001

  

0.097

  Grade 0

73 (2.3)

 

50 (5.8)

  

41 (5.3)

9 (10.8)

 

  Grade 1

28 (0.9)

 

20 (2.3)

  

20 (2.6)

0 (0.0)

 

  Grade 2

166 (5.3)

 

78 (9.0)

  

70 (9.0)

8 (9.6)

 

  Grade 3

2,876 (91.5)

 

715 (82.9)

  

649 (83.2)

66 (79.5)

 

Lesion length – mm median (IQR)

15.00 (10.0-20.0)

3,110

15.0 (10.0-20.0)

855

0.676

15.00 (10.0-20.0)

15.00 (10.0-20.0)

0.318

Reference segment – mm median (IQR)

3.3 (3.0-3.6)

3,120

3.2 (3.0-3.5)

851

0.007

3.2 (3.0-3.5)

3.2 (2.8-3.5)

0.320

Minimum lumen diameter – mm median (IQR)

0.0 (0.0-0.2)

3,134

0.0 (0.0-0.2)

859

0.749

0.0 (0.0-0.2)

0.0 (0.0-0.2)

0.625

Sapheneous vein graft – no. (%)

10 (0.3)

3,145

4 (0.5)

867

0.526

2 (0.3)

2 (2.4)

0.007

Lesion type B2/C

1,012 (32.9)

3,082

338 (40.3)

838

<0.001

302 (39.7)

36 (46.2)

0.041

Stent length – mm median (IQR)

18.0 (14.0-23-0)

2,963

18.0 (14.0-24.0)

754

0.913

18.0 (14.0-24.0)

18.0 (13.0-24.0)

0.830

Stent number - no. (%)

 

3,218

 

898

<0.001

  

0.007

  0

255 (7.9)

 

144 (16.0)

  

120 (14.8)

24 (27.3)

 

  1

2,578 (80.1)

 

643 (71.6)

  

591 (73.0)

52 (59.1)

 

  2+

385 (12.0)

 

111 (12.4)

  

99 (12.2)

12 (13.6)

 

Drug-eluting stent – no. (%)

1,962 (62.4)

3,146

366 (41.4)

885

<0.001

338 (42.3)

28 (32.6)

0.007

Max balloon pressure – atm median (IQR)

16.0 (14.0-18.0)

3,075

15.5 (14.0-17.3)

814

0.086

15.5 (14.0-17.0)

15.5 (14.0-18.0)

0.899

Max balloon diameter – mm median (IQR)

3.6 (3.2-3.8)

3,073

3.4 (3.2-3.8)

814

0.012

3.4 (3.2-3.8)

3.3 (3.0-3.7)

0.126

Duration of procedure - minutes median (IQR)

16.0 (10.0-26.0)

3,205

17.0 (11.0-28.0)

895

0.008

17.0 (11.0-28.0)

20.0 (12.0-30.8)

0.238

Flouro time - minutes median (IQR)

6.4 (4.0-11.2)

3,174

7.7 (4.5-13.0)

878

< 0.001

7.5 (4.4-13.0)

9.0 (6.0-13.3)

0.077

Contrast – ml median (IQR)

120.0 (75.0-180.0)

877

100.0 (75.0-175.0)

3,159

0.007

120.0 (75.0-185.0)

110.0 (80.0-174.0)

0.572

  1. STEMI: ST-segment elevation myocardial infarct.
  2. LBBB: new onset left bundle branch block.
  3. IQR: Interquartile range.