Table 2.
Time trends of interim and post-intervention periods.
| Interim period | Post-intervention period | X2/z | P | |
|---|---|---|---|---|
| Median onset to door time, IQR (min) | 145.5 (81.5, 284.3) | 147.0 (81.5, 300.5) | −0.127 | .899 |
| Median onset to wire time IQR (min) | 234.0 (171.8, 366.3) | 224.5 (144.8, 369.3) | −1.314 | .189 |
| Median door to puncture time, IQR (min) | 57.5 (38.5, 78.3) | 46.0 (23.5, 61.0) | −3.753 | <.001 |
| Median door to wire time, IQR (min) | 88.0 (60.0, 110.3) | 63.5 (43.0, 82.5) | −5.485 | <.001 |
| Door to wire time ≤ 60 min, n (%) | 36 (24.00) | 61 (40.67) | 9.522 | .002 |
| Door to wire time ≤ 90 min, n (%) | 78 (52.00) | 122 (81.33) | 29.040 | <.001 |
IQR = inter-quartile range.