Table 3.
Etiologies of delay in the patients with a D2D time of more than 90 minutes in the first and second years
| First Year (N=148) |
Second Year (N=122) |
P* | P** | |||||
|---|---|---|---|---|---|---|---|---|
| No. of Delayed Patients (%) |
Median (IQR 25-75% of D2D time |
Lost Minutes (% of total) |
No. of Delayed Patients (%) |
Median (IQR 25-75%) of D2D time |
Lost Minutes (% of total) |
|||
| Undiagnosed STE | 62 (41.8) |
205 (146-249) |
7838 (57.7) |
51 (41.7) |
177 (120-232) |
5181 (49.6) |
0.184 | 0.011 |
| Busy catheterization laboratory |
38 (25.7) |
128 (102-206) |
2615 (19.4) |
47 (38.5) |
130 (101-177) |
3452 (33.0) |
0.423 | 0.942 |
| Transportation deficiency |
33 (22.3) |
134 (107-193) |
2104 (15.5) |
21 (17.2) |
130 (104-174) |
1629 (15.5) |
0.076 | 0.826 |
| Diagnostic challenge | 4 (2.7) |
140 (102-183) |
207 (1.5) |
- | - | - | 0.068 | - |
| Arrest and CPR in ED |
4 (2.7) |
189 (153-276) |
465 (3.4) |
- | - | - | 0.068 | - |
| Senility and severe comorbidities |
3 (2.0) |
165 (-) |
188 (1.4) |
1 (0.9) |
284 (-) |
194 (1.8) |
0.364 | 0.512 |
| Obtaining informed consent |
2 (1.4) |
146 (-) |
112 (0.8) |
- | - | - | 0.124 | - |
| Difficult angioplasty | 2 (1.4) |
105 (-) |
30 (0.3) |
2 (1.7) |
95 (-) |
10 (0.1) |
0.498 | 0.746 |
D2D, Door-to-device; STE, ST elevation; CPR, Cardiopulmonary resuscitation; ED, Emergency department
*
P value for the comparison of the percentage of each delay etiology between the 2 years
**
P value for the comparison of the median D2D time between the subgroups in the 2 years