| | Preoperative deaths | Emergency surgeries | Planned surgeries |
---|
Group | Total wait† | No. of events | Event rate‡ (95% CI) | OR§ (95% CI) | No. of events | Event rate‡ (95% CI) | OR|| (95% CI) | No. of events | Event rate‡ (95% CI) | OR|| (95% CI) |
---|
Urgent | 4,676 | 4 | 0.9 (0.0–1.7) | – | 48 | 10.3 (7.4–13.2) | 4.9 (3.4–7.2) | 655 | 140.1 (129.3–150.8) | 2.2 (2.0–2.5) |
Semiurgent | 123,138 | 63 | 0.5 (0.4–0.6) | 1.0 | 264 | 2.1 (1.9–2.4) | 1.0 | 7512 | 61.0 (59.6–62.4) | 1.0 |
Nonurgent | 53,232 | 32 | 0.6 (0.4–0.8) | 1.1 (0.7–1.7) | 65 | 1.2 (0.9–1.5) | 0.7 (0.5–1.0) | 1627 | 30.6 (29.1–32.0) | 0.7 (0.6–0.7) |
- Abbreviations: CI = confidence interval, OR = odds ratio.
- *Did not include 218 patients for whom urgency was not provided: 5 died, 5 had unplanned emergency surgery, 163 underwent planned surgery, 45 removed for other reasons.
- †Waiting time measured in patient-weeks.
- ‡Weekly event rate was calculated as the number events divided by the sum of waiting times (per 1000 patient-weeks).
- §Adjusted for sex, age decade, comorbidities at registration, calendar period of registration, and time between catheterization and registration.
- ||Adjusted for sex, age group, coronary anatomy, comorbidities at registration, calendar period at registration, institution at registration, institution at catheterization, mode of admission at catheterization, urgency at admission for catheterization, and time between catheterization and registration.