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Characteristics of patients in the study cohort by death after registration for CABG *(as number and percentages within each category for each characteristic) |
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| Characteristic |
On wait lists (N = 80) |
After withdrawal (N = 141)† |
During admission (N = 97) |
After discharge (N = 551)‡ |
|
|
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| Age |
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| < 50 yr |
5 (6.3) |
5 (3.5) |
2 (2.1) |
15 (2.7) |
| 50–59 yr |
17 (21.3) |
20 (14.2) |
17 (17.5) |
73 (13.2) |
| 60–69 yr |
29 (36.3) |
38 (27.0) |
35 (36.1) |
196 (35.6) |
| 70–79 yr |
28 (35.0) |
64 (45.4) |
41 (42.3) |
244 (44.3) |
| ≥ 80 yr |
1 (1.3) |
14 (9.9) |
2 (2.1) |
23 (4.2) |
| Sex |
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| Female |
7 (8.8) |
35 (24.8) |
25 (25.8) |
95 (17.2) |
| Male |
73 (91.3) |
106 (75.2) |
72 (74.2) |
456 (82.8) |
| Urgency group |
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| Semi-urgent |
54 (67.5) |
98 (69.5) |
86 (88.7) |
456 (82.8) |
| Non-urgent |
26 (32.5) |
43 (30.5) |
11 (11.3) |
95 (17.2) |
| Comorbidity |
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| Major conditions§ |
26 (32.5) |
53 (37.6) |
32 (33.0) |
176 (31.9) |
| Other conditions|| |
20 (25.0) |
36 (25.5) |
23 (23.7) |
130 (23.6) |
| None |
34 (42.5) |
52 (36.9) |
42 (43.3) |
245 (44.5) |
| Coronary anatomy |
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| Left main |
6 (7.5) |
13 (9.2) |
12 (12.4) |
75 (13.6) |
| Multi-vessel¶ |
66 (82.5) |
112 (79.4) |
81 (83.5) |
447 (81.1) |
| Limited** |
8 (10.0) |
16 (11.3) |
4 (4.1) |
29 (5.3) |
| Period |
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| 1991–1992 |
13 (16.3) |
22 (15.6) |
26 (26.8) |
145 (26.3) |
| 1993–1994 |
23 (28.8) |
27 (19.1) |
14 (14.4) |
114 (20.7) |
| 1995–1996 |
18 (22.5) |
39 (27.7) |
22 (22.7) |
131 (23.8) |
| 1997–1998 |
17 (21.3) |
33 (23.4) |
21 (21.6) |
113 (20.5) |
| 1999–2000 |
9 (11.3) |
20 (14.2) |
14 (14.4) |
48 (8.7) |
| Hospital |
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| 1 |
11 (13.8) |
46 (32.6) |
8 (8.2) |
108 (19.6) |
| 2 |
26 (32.5) |
38 (27.0) |
51 (52.6) |
188 (34.1) |
| 3 |
35 (43.8) |
43 (30.5) |
15 (15.5) |
121 (22.0) |
| 4 |
8 (10.0) |
14 (9.9) |
23 (23.7) |
134 (24.3) |
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*Death on wait lists means any pre-operative death while on the wait list for surgery; death after withdrawal means any pre-operative death after removal from the wait list without surgery; death during admission means any death after surgery during the same hospital admission; death after discharge means any death after hospital discharge. †Within 5 years after registration date. ‡Within 5 years after hospital discharge date, excluding two patients with unknown dates. §Congestive heart failure, diabetes mellitus, chronic obstructive pulmonary disease, rheumatoid arthritis, cancer. ||Peripheral vascular disease, cerebrovascular disease, dementia, peptic ulcer disease, hemiplegia, renal disease, or liver disease. ¶Three- or two-vessel disease with stenosis of the proximal left anterior descending artery. **Two-vessel disease with no lesion in the proximal left anterior descending artery or one-vessel disease with stenosis of the proximal left anterior descending artery. | ||||
Sobolev et al. Journal of Cardiothoracic Surgery 2008 3:47 doi:10.1186/1749-8090-3-47 |
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