Table 3

Characteristics of patients in the study cohort by death after registration for CABG *(as number and percentages within each category for each characteristic)

Characteristic
On wait lists
(N = 80)
After withdrawal
(N = 141)
During admission
(N = 97)
After discharge
(N = 551)

Age




     < 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




     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




     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




     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




     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




     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




     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)

*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