Table 4.
Frequencies of adverse events in different categories (potential for harm (AE1) and harm identified (AE2) combined)
| Categories | Patients | Adverse events | |
|---|---|---|---|
| N (1,080) | % | /100 missions | |
| Gender | |||
| Female | 528 | 48.9 | 3.4 |
| Male | 546 | 50.6 | 4.9 |
| Missing information | 6 | ||
| Age | |||
| 18–39 | 203 | 18.8 | 1.5 |
| 40–69 | 323 | 29.9 | 5.6 |
| 70 + | 554 | 51.3 | 4.5 |
| Discharge diagnosis group | |||
| Traumatic injury | 138 | 12.8 | 4.3 |
| Neurological | 134 | 12.4 | 3,0 |
| Cardiovascular | 134 | 12.4 | 8.2 |
| Gastrointestinal and urinary tract | 104 | 9.6 | 2.9 |
| Infections | 96 | 8.9 | 7.3 |
| Respiratory | 46 | 4.3 | 2.2 |
| Psychiatric | 43 | 4.0 | 2.3 |
| Endocrine system | 14 | 1.3 | 14.3 |
| Intoxication | 11 | 1.0 | 9.1 |
| Gynecological | 6 | 0.6 | 0 |
| Other diagnoses | 87 | 8.1 | 4.6 |
| Patient left at home or transported to primary care | 267 | 24.7 | 2.2 |
| Time of year | |||
| January–April | 360 | 33.3 | 2.2 |
| May–August | 360 | 33.3 | 4.8 |
| September–December | 360 | 33.3 | 5.8 |
| EMS organization | |||
| Urban | 360 | 33.3 | 3.3 |
| Mixed | 360 | 33.3 | 8.5a |
| Rural | 360 | 33.3 | 0.9 |
| Priority to hospital | |||
| Priority 1 | 127 | 11.8 | 16.5a |
| Priority 2 | 550 | 50.9 | 2.4 |
| Priority 3 | 168 | 15.6 | 4.8 |
| No transport by EMS | 206 | 19.1 | 1.9 |
| Missing information | 28 | 2.6 | |
aSignificant odds ratio
EMS emergency medical service