Variable | 0–3 h (n = 65) | 0–1 h (n = 65) | p value |
---|---|---|---|
Primary outcome | |||
Observational zone cohort | – | 12 (18.5% (CI 10.0–30.1)) | – |
Secondary outcome | |||
Rule-in/out time (min) | 238 ± 63.3 | 134.3 ± 68.5 | < 0.001 |
Laboratory transport time (min) | 18.3 ± 21.8 | 14.9 ± 13.6 | 0.29 |
Laboratory processing time (min) | |||
First laboratory | 53.0 ± 16.6 | 43.1 ± 17.7 | 0.001 |
Secondary laboratory | 44.5 ± 12.4 | 29.6 ± 10.9 | < 0.001 |
Time to disposition (min) | 260 (180–325) | 140 (106.5–220) | < 0.001 |
Triage type and 30-day MACE | |||
Rule in | 23 (35.4) | 14 (21.5) | 0.001 |
30-day MACE | 18 (78.3) | 11 (78.6) | |
Sensitivity | 69.2% (48.2, 85.7) | 68.8% (41.1, 89) | |
PPV | 72% (55.6, 84.1) | 73.3% (50.7, 88) | |
Rule out | 42 (64.6) | 39 (60) | – |
30-day MACE | 8 (19) | 5 (12.8) | |
Specificity | 82.1% (66.5, 92.5) | 89.5% (75.2, 97.1) | |
NPV | 80% (68.8, 87.9) | 87.2% (76.5–93.4) | |
Observational zone | – | 12 (18.5) | – |
30-day MACE | 2 (16.7) | ||
Disposition type | |||
Admit | 20 (30.8) | 11 (16.9) | 0.065 |
Discharge | 22 (33.8) | 36 (55.4) | |
Transfer to urgent room | 20 (30.8) | 17 (26.2) | |
Refer | 3 (4.6) | 1 (1.5) |