Table 3.
Multiple Regression Analysis Adjusted for Age (Outliers Included).a
| Outcome and Implant Type | Unstandardized Coefficient | P Value | |
|---|---|---|---|
| Estimate ± SE | 95% CI | ||
| Total estimate costs (CAD$, n = 118) | |||
| Manually shaped titanium | Reference | Reference | Reference |
| Custom patient-specific titanium | 15 147 ± 4693 | 5849 to 24 445 | .002 b |
| PMMA | 4879 ± 4893 | −4815 to 14 574 | .321 |
| Autogenous bone | −2391 ± 6137 | −14 550 to 9768 | .698 |
| PEEK | 12 107 ± 6683 | −1133 to 25 351 | .073 |
| Operation duration (minutes, n = 119) | |||
| Manually shaped titanium | Reference | Reference | Reference |
| Custom patient-specific Titanium | 113 ± 34 | 46 to 181 | .001 b |
| PMMA | −6 ± 35 | −76 to 63 | .855 |
| Autogenous bone | 154 ± 45 | 66 to 242 | <.0001 b |
| PEEK | 21 ± 49 | −75 to 118 | .659 |
| Recovery in ICU (days, n = 115) | |||
| Manually shaped titanium | Reference | Reference | Reference |
| Custom patient-specific titanium | 1.24 ± 0.54 | 0.16 to 2.32 | .025 b |
| PMMA | 0.35 ± 0.56 | −0.76 to 1.47 | .533 |
| Autogenous bone | 0.23 ± 0.70 | −1.16 to 1.62 | .744 |
| PEEK | 0.70 ± 0.76 | −0.82 to 2.21 | .36 |
| Recovery in ward (days, n = 114) | |||
| Manually shaped titanium | Reference | Reference | Reference |
| Custom patient-specific titanium | 10.4 ± 6.1 | −1.6 to 22.4 | .089 |
| PMMA | 4.6 ± 6.3 | −7.9 to 17.1 | .464 |
| Autogenous bone | −0.1 ± 7.8 | −15.6 to 15.3 | .985 |
| PEEK | −0.7 ± 8.5 | −17.6 to 16.1 | .931 |
Abbreviations: CI, confidence interval; ICU, intensive care unit; PMMA, polymethyl methacrylate; PEEK, polyetheretherketone; SE, standard error; SD, standard deviation.
Note. Bold values p<.05.
a Values are presented as estimate ± SE.
b Statistically significant difference (P < .05).