Table 1 Baseline characteristics of the study cohort
Characteristic | Pre-Implementation* (n = 5764) | Post-Implementation* (n = 6866) | Difference (95% CI) |
|---|---|---|---|
Mean age (SD) | 61.0 (17.2) | 58.1 (17.0) | −2.9 (−3.5 to − 2.1) |
Male sex | 3366 (58.4%) | 4034 (58.8%) | 0.4% (−1.6 to 2.3) |
Mean time to zero-hour troponin (SD) | 0.5 (0.3) | 0.5 (0.3) | 0.0 (−0.0 to 0.0) |
Presented after work hours | 3325 (57.7%) | 3729 (54.3%) | −3.4% (−5.2 to −1.6) |
Troponin >99th percentile on zero- or two-hour test | 1877 (32.6%) | 1412 (20.6%) | −12% (− 13.8 to − 10.2) |
Disposition from ED | |||
Admitted to inpatient ward | 3364 (58.4%) | 3366 (49.0%) | −9.3% (−11.2 to −7.5) |
Admitted to short stay | 2005 (34.8%) | 2439 (35.5%) | 0.7% (−1.0 to 2.5) |
Discharged home | 371 (6.4%) | 1010 (14.7%) | 8.3% (7.2 to 9.4) |
Left against medical advice | 24 (0.4%) | 51 (0.7%) | 0.3% (0.1 to 0.6) |