Table 3. Clinical care and outcomes after implementation of the updated Acute Chest Pain Optimal Care Pathway, stratified by receipt of one vs. two troponin labs.
| Characteristic | Overall N = 128 | One troponin N = 64 | Two troponin N = 64 | p-value |
|---|---|---|---|---|
| ED LOS (hours) | <0.001 | |||
| Median [IQR] | 4.6 [3.5, 5.7] | 4.1 [3.3, 4.9] | 5.2 [4.4, 6.9] | |
| Unknown, N (%) | 9 (7.0%) | 6 (9.4%) | 3 (4.7%) | |
| Cardiology Consult | 0.440 | |||
| No | 121 (94.5%) | 62 (96.9%) | 59 (92.2%) | |
| Yes | 7 (5.5%) | 2 (3.1%) | 5 (7.8%) | |
| Admitted | 0.001 | |||
| No | 112 (87.5%) | 62 (96.9%) | 50 (78.1%) | |
| Yes | 16 (12.5%) | 2 (3.1%) | 14 (21.9%) | |
| MACE Event | >0.999 | |||
| No MACE | 127 (99.2%) | 63 (98.4%) | 64 (100.0%) | |
| MACE | 1 (0.8%) | 1 (1.6%) | 0 (0.0%) | |
Notes.
P-values are based on Chi-square or Fisher’s exact tests for categorical variables and Wilcoxon rank sum tests for continuous variables.
Abbreviations
- MACE
- major adverse cardiovascular event
- ED
- emergency department
- LOS
- length of stay
- IQR
- interquartile range