Table 4: Categorical analysis between the importance of establishment of linked working system and establishment of a medical director’s supervision for EMS care.
| How much do you think the importance and urgency to establish a linked working system between EMS pre-hospital on call, medical director on call and on call team? | Total |
| Extremely Important | Very Important | Somewhat Important | Not very Important | Not at all Important |
| How much do you think the importance and urgency to establish a medical director’s supervision for all EMS care of seriously injured patients all the time (24/7)? | Extremely Important | 70 | 4 | 0 | 0 | 0 | 74 |
| 76.1% | 44.4% | 0.0% | 0.0% | 0.0% | 68.5% |
| Very Important | 18 | 5 | 0 | 1 | 0 | 24 |
| 19.6% | 55.6% | 0.0% | 50.0% | 0.0% | 22.2% |
| Somewhat Important | 3 | 0 | 1 | 0 | 0 | 4 |
| 3.3% | 0.0% | 100.0% | 0.0% | 0.0% | 3.7% |
| Not very Important | 1 | 0 | 0 | 1 | 0 | 2 |
| 1.1% | 0.0% | 0.0% | 50.0% | 0.0% | 1.9% |
| Not at all Important | 0 | 0 | 0 | 0 | 4 | 4 |
| 0.0% | 0.0% | 0.0% | 0.0% | 100.0% | 3.7% |
| Total | | 92 | 9 | 1 | 2 | 4 | 108 |
| 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Chi-Square Tests |
| Value | df | Sig |
| Pearson Chi-Square | 168.153a | 16 | .000 |
| Likelihood Ratio | 55.126 | 16 | .000 |
| Linear-by-Linear Association | 62.237 | 1 | .000 |
| N of Valid Cases | 108 | | |