Table 2 Characteristics of patients in the study cohort by access to surgery after registration for CABG (as number and percentages across each characteristic)
| Â | Â | Access to surgery, % in each category | |||
|---|---|---|---|---|---|
Characteristic | % of all patients (N = 8220) | Unplanned emergency (N = 266) | Elective within target time (N = 2524) | Elective after target time (N = 4526) | Remained untreated (N = 904) |
Age | Â | Â | Â | Â | Â |
   < 50 yr | 666 (8.1) | 19 (2.9) | 209 (31.4) | 370 (55.6) | 68 (10.2) |
   50–59 yr | 1814 (22.1) | 55 (3.0) | 518 (28.6) | 1054 (58.1) | 187 (10.3) |
   60–69 yr | 3125 (38.0) | 104 (3.3) | 962 (30.8) | 1727 (55.3) | 332 (10.6) |
   70–79 yr | 2457 (29.9) | 84 (3.4) | 787 (32.0) | 1307 (53.2) | 279 (11.4) |
   ≥ 80 yr | 158 (1.9) | 4 (2.5) | 48 (30.4) | 68 (43.0) | 38 (24.1) |
Sex | Â | Â | Â | Â | Â |
   Female | 1453 (17.7) | 62 (4.3) | 440 (30.3) | 771 (53.1) | 180 (12.4) |
   Male | 6767 (82.3) | 204 (3.0) | 2084 (30.8) | 3755 (55.5) | 724 (10.7) |
Urgency group | Â | Â | Â | Â | Â |
   Semi-urgent | 6333 (77.0) | 207 (3.3) | 1986 (31.4) | 3599 (56.8) | 541 (8.5) |
   Non-urgent | 1887 (23.0) | 59 (3.1) | 538 (28.5) | 927 (49.1) | 363 (19.2) |
Comorbidity | Â | Â | Â | Â | Â |
   Major conditions* | 1756 (21.4) | 68 (3.9) | 564 (32.1) | 897 (51.1) | 227 (12.9) |
   Other conditions†| 2113 (25.7) | 79 (3.7) | 735 (34.8) | 1067 (50.5) | 232 (11.0) |
   None | 4351 (52.9) | 119 (2.7) | 1225 (28.2) | 2562 (58.9) | 445 (10.2) |
Coronary anatomy | Â | Â | Â | Â | Â |
   Left main | 983 (12.0) | 26 (2.6) | 389 (39.6) | 493 (50.2) | 75 (7.6) |
   Multi-vessel‡ | 6583 (80.1) | 213 (3.2) | 1932 (29.3) | 3718 (56.5) | 720 (10.9) |
   Limited§ | 654 (8.0) | 27 (4.1) | 203 (31.0) | 315 (48.2) | 109 (16.7) |
Period | Â | Â | Â | Â | Â |
   1991–1992 | 1507 (18.3) | 50 (3.3) | 596 (39.5) | 697 (46.3) | 164 (10.9) |
   1993–1994 | 1716 (20.9) | 51 (3.0) | 654 (38.1) | 833 (48.5) | 178 (10.4) |
   1995–1996 | 1663 (20.2) | 53 (3.2) | 333 (20.0) | 1090 (65.5) | 187 (11.2) |
   1997–1998 | 1714 (20.9) | 65 (3.8) | 422 (24.6) | 1021 (59.6) | 206 (12.0) |
   1999–2000 | 1620 (19.7) | 47 (2.9) | 519 (32.0) | 885 (54.6) | 169 (10.4) |
Hospital | Â | Â | Â | Â | Â |
   1 | 1706 (20.8) | 65 (3.8) | 616 (36.1) | 812 (47.6) | 213 (12.5) |
   2 | 2759 (33.6) | 74 (2.7) | 964 (34.9) | 1473 (53.4) | 248 (9.0) |
   3 | 2013 (24.5) | 58 (2.9) | 372 (18.5) | 1230 (61.1) | 353 (17.5) |
   4 | 1742 (21.2) | 69 (4.0) | 572 (32.8) | 1011 (58.0) | 90 (5.2) |