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Table 1 Characteristics of 9,219 subjects registered for isolated coronary artery bypass surgery in British Columbia 1991–2000

From: Chances of late surgery in relation to length of wait lists

Characteristic N (%)
Age group (yr)
   <50 731 (7.9)
   50–59 2006 (21.8)
   60–69 3526 (38.2)
   70–79 2764 (30.0)
   ≥80 192 (2.1)
Sex
   Women 1630 (17.7)
   Men 7589 (82.3)
Urgency at registration
   Urgent 652 (7.1)
   Semi-urgent 6553 (71.1)
   Non-urgent 2014 (21.8)
Major comorbidity at registration
   None 4775 (51.8)
   CHF, diabetes, COPD, rheumatoid arthritis, cancer 2435 (26.4)
   Other conditions 2009 (21.8)
Calendar period
   1991–1992 1725 (18.7)
   1993–1994 1889 (20.5)
   1995–1996 1997 (21.7)
   1997–1998 1888 (20.5)
   1999–2000 1720 (18.7)
Hospital ID at booking
   1 1903 (20.6)
   2 3137 (34.0)
   3 2124 (23.0)
   4 2055 (22.3)
Wait-list size category
   1 – <1 week 1502 (16.3)
   2 – half month 1276 (13.8)
   3 – 1 month 3954 (42.9)
   4 – >1 month 2487 (27.0)
  1. CHF – congestive heart failure, COPD – chronic obstructive pulmonary disease