Table 3 Univariate logistic regression analysis of predictor variables for potential to benefit
Variable | exp(B) | P | 95 % CI for exp(B) | |
|---|---|---|---|---|
Pulse (ref <71) | <0.001 | |||
71–110 | 0.522 | 0.316 | 0.862 | |
>110 | 3.756 | 1.930 | 7.309 | |
Respiratory rate (ref <16) | <0.001 | |||
16–18 | 1.009 | 0.605 | 1.683 | |
19–23 | 3.463 | 1.819 | 6.594 | |
>23 | 3.991 | 2.140 | 7.443 | |
Systolic BP (ref 121–180) | <0.001 | |||
<100 | 4.461 | 2.397 | 8.302 | |
100–120 | 2.140 | 1.250 | 3.665 | |
>180 | 31.475 | 13.479 | 73.496 | |
Pulse pressure (ref 51–76) | <0.001 | |||
<51 | 1.791 | 1.143 | 2.805 | |
>76 | 3.540 | 2.030 | 6.174 | |
GCS (ref 13–15) | <0.001 | |||
3–8 | 34.446 | 16.607 | 71.447 | |
9–12 | 2.203 | 1.235 | 3.930 | |
SaO2 (ref low risk (99–100 breathing air)) | <0.001 | |||
High (<95 breathing air or <96 with supplemental O2) | 1.583 | 0.156 | 0.839 | 2.987 |
Moderate (95–98 breathing air or >95 with supplemental O2) | 0.470 | 0.004 | 0.283 | 0.781 |