Table 4.
—Logistic Regression of Tracheostomy Placement on Patient and Caregiver Variables (N = 466)a
| Variables | β | OR | 95% CI | P Value |
| Patient | ||||
| APACHE | -0.01 | 0.99 | 0.985-0.999 | .03 |
| Total Charlson | 0.03 | 1.03 | 0.92-1.14 | .64 |
| Living will (0 = no, 1 = yes) | -0.05 | 0.95 | 0.57-1.59 | .84 |
| ICU admitting unit (0 = MICU, 1 = non-MICU) | 0.69 | 1.99 | 1.25-3.19 | .004 |
| Study group (0 = control, 1 = experimental) | -0.30 | 0.74 | 0.48-1.12 | .74 |
| Caregiver | ||||
| FDM race (0 = white, 1 = nonwhite) | -0.01 | 0.99 | 0.65-1.51 | .97 |
| FDM age | -0.001 | 0.99 | 0.99-1.01 | .86 |
Nagelkerke R2 = 0.07. Model χ2 (7) = 26.38, P = .0001. Overall correct classification 60.5%. FDM = Family Decision Maker. See Table 1 for expansion of other abbreviations.
a
Tracheostomy placement in ICU (0 = no, 1 = yes).