TABLE 2 .
] Model Fit Comparison
| Patient Population | No. Patients (n) | Pseudo-R2 | Area Under ROC Curve | P Value |
| All patients | 269,002 | 0.34 | 0.89 | NA |
| Patients without PAMV and with GCS > 5 | 230,987 | 0.35 | 0.90 | … |
| Patients requiring PAMV | 27,030 | 0.24 | 0.82 | < .001a |
| Patients with GCS 3 to 5 on admission | 14,923 | 0.25 | 0.82 | < .001a |
NA = not applicable; ROC = receiver operating characteristic. See Table 1 for expansion of other abbreviations.
a
P value is for comparison with model for patients without PAMV and with GCS > 5.