Table 2.
Angiographic and procedural characteristics according to kidney function
| CrCl ≥ 60 | Valid cases | CrCl < 60 | Valid cases | P value (CreaCl ≥ 60 vs. CreaCl < 60) | CrCl ≤30 < 60 | CrCl < 30 | P value (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 |
STEMI: ST-segment elevation myocardial infarct.
LBBB: new onset left bundle branch block.
IQR: Interquartile range.