Table 4.
Relation between patients socio-demographic characteristics* and time-delay, and means, standard errors and p-values of differences for the statistical significant relations
| Variables | df** | Chi-square value | Exact probability |
| Gender | 4 | 0.76 | 0.9601 |
| Age | 4 | 9.67 | 0.0348*** |
| Education level | 12 | 56.29 | 0.0029*** |
| Personal monthly income | 16 | 16.04 | 0.4503 |
| Time delay (in hours) | |||
| Mean | Standard error of mean | p-value for difference | |
| Age | |||
| ≤ 64 | 5.83 | 0.71 | |
| 0.005*** | |||
| ≥ 65 | 3.47 | 0.37 | |
| Education level | |||
| low | 3.67 | 0.44 | |
| 0.024*** | |||
| high | 5.45 | 0.64 | |
* Patients with pain-to-door time > 24 h and patients transferred from other hospitals are excluded
** df – degree of freedom
*** the relation is statistically significant