Table 1 Coefficients of variables in the logistic model applied for estimating the patient's life threat risk
From: Evaluation of an algorithm for estimating a patient's life threat risk from an ambulance call
| Â | Variables | Family members | Nursing home staff | Third party* |
|---|---|---|---|---|
Age | 0-4 | 0.000 | 0.000 | 0.000 |
| Â | 5-14 | 0.000 | 0.000 | 0.000 |
| Â | 15-39 | 0.000 | 0.000 | 0.000 |
| Â | 40-69 | 2.231 | 0.000 | 1.482 |
| Â | 70+ | 2.564 | 1.106 | 1.807 |
| Â | Unknown | 2.564 | 1.106 | 1.807 |
Consciousness | Clear | 0.000 | 0.000 | 0.000 |
| Â | Not clear | 0.190 | 1.275 | 0.822 |
| Â | Unconsciousness | 1.749 | 2.450 | 2.568 |
| Â | Unconfirmed | 1.749 | 0.978 | 2.568 |
Breathing status | Normal | 0.000 | 0.000 | 0.000 |
| Â | Abnormal/dypnea | 0.989 | 18.198 | 2.132 |
| Â | Apnea | 4.861 | 20.748 | 5.654 |
| Â | Unconfirmed | 1.116 | 17.650 | 1.541 |
Walking ability | As usual | 0.000 | 0.000 | 0.000 |
| Â | Walk with support | 0.999 | 0.000 | 0.000 |
| Â | Unable to walk | 1.727 | 15.075 | 0.086 |
| Â | Unconfirmed | 1.805 | 16.221 | 0.000 |
Lying down | Yes | 0.536 | 0.508 | 0.503 |
| Â | No | 0.000 | 0.000 | 0.000 |
Cyanosis | Yes | 0.112 | Â | Â |
| Â | No | 0.000 | 0.000 | 0.000 |
Sweating | Unconfirmed | 0.724 | Â | Â |
| Â | Yes or No | 0.000 | 0.000 | 0.000 |
Caller is in a panic | Yes | 0.501 | Â | Â |
| Â | No | 0.000 | 0.000 | 0.000 |
Constant | Â | -8.780 | -38.338 | -7.601 |