Table 4.
Associations Between Missingness Data and Variables in NPTR Training Dataset and Mortality
| Variables Used for Imputation |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Absence of: | Age | SBP | P | RR | GCS-eye | GCS-motor | GCS-verbal | GCS-total | Penetrating Injury |
Intubation Status |
Outcome Mortality |
| SBP | X | NA | X | X | X | X | X | — | X | X | X |
| Pulse | — | X | NA | — | X | X | — | X | — | X | X |
| RR | X | — | X | NA | X | X | X | X | X | X | X |
| GCS-eye | X | X | X | X | NA | X | X | X | X | X | X |
| GCS-motor | X | — | X | X | X | NA | X | X | — | X | X |
| GCS-verbal | X | X | X | X | X | X | NA | X | — | X | X |
| Intubation Status | — | — | — | — | X | X | — | — | X | NA | X |
X, associated using univariate logistic regression ( p < 0.05); —, no association using univariate logistic regression; NA, not applicable; SBP, systolic blood pressure; RR, respiratory rate; GCS, Glasgow Coma Scale.