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Table 2 Outcomes of registration for bypass surgery in British Columbia 1992–2005, by urgency group at registration

From: The occurrence of adverse events in relation to time after registration for coronary artery bypass surgery: a population-based observational study

Outcome Urgent (n = 739) Semiurgent (n = 8,769) Nonurgent (n = 2,304) All patients (n = 12,030*)
Death before surgery, no. (%) 4 (0.5) 63 (0.7) 32 (1.4) 104 (0.9)
Unplanned emergency surgery, no. (%) 48 (6.5) 264 (3.0) 65 (2.8) 382 (3.2)
Planned surgery, no. (%) 655 (88.6) 7,512 (85.7) 1,627 (70.6) 9,957 (82.8)
 Mean waiting time (STD), weeks 6 (7) 12 (10) 19 (12) 13 (11)
 Median waiting time (IQR), weeks 3 (1–7) 10 (5–17) 16 (9–26) 10 (5–18)
  1. Abbreviations: CABG = coronary artery bypass graft; STD = standard deviation; IQR = interquartile range.
  2. *Includes 218 patients for whom urgency was not provided.