Variable | Estimate | Standard Error | |
---|---|---|---|
Main effects | |||
Travel time | -0.162 | 0.004*** | |
Travel time2 | 0.001 | 0.000*** | |
Travel time3 | 0.000 | 0.000*** | |
Robotic-assisted surgery system | 0.743 | 0.048*** | |
Procedure volume | 0.002 | 0.000*** | |
Patient recommendation score | -0.475 | 0.079*** | |
1-year reoperation ratio | 0.017 | 0.012 | |
Prostate cancer treatment center | 0.466 | 0.048*** | |
Size—number of beds | 0.000 | 0.000** | |
Hospital type: non-profit vs. private | -0.168 | 0.065* | |
Hospital type: public vs. private | -0.184 | 0.062** | |
Interaction with travel time | |||
x Age | -0.001 | 0.000** | |
x Comorbidity index | -0.002 | 0.001* | |
x Number of hospitals in 30 min radius | -0.004 | 0.000*** | |
x Median income | 0.000 | 0.000** | |
Interaction with robotic-assisted surgery system | |||
x Age | -0.014 | 0.007* | |
x Comorbidity index | 0.021 | 0.017 | |
x Number of hospitals in 30 min radius | 0.005 | 0.005 | |
x Median income | -0.001 | 0.000*** | |
Interaction with procedure volume | |||
x Age | 0.000 | 0.000 | |
x Comorbidity index | 0.000 | 0.000*** | |
x Number of hospitals in 30 min radius | 0.000 | 0.000*** | |
x Median income | 0.000 | 0.000*** | |
Interaction with patient recommendation score | |||
x Age | 0.007 | 0.011 | |
x Comorbidity index | -0.007 | 0.030 | |
x Number of hospitals in 30 min radius | 0.012 | 0.007 | |
x Median income | 0.000 | 0.000 | |
Interaction with 1-year reoperation ratio | |||
x Age | -0.003 | 0.002 | |
x Comorbidity index | 0.013 | 0.004** | |
x Number of hospitals in 30 min radius | -0.004 | 0.001*** | |
x Median income | 0.000 | 0.000** | |
Interaction with prostate cancer treatment center | |||
x Age | 0.012 | 0.007 | |
x Comorbidity index | -0.037 | 0.018* | |
x Number of hospitals in 30 min radius | 0.017 | 0.006** | |
x Median income | 0.000 | 0.000*** | |
As % of average travel time | |||
WTT (robotic-assisted surgery system) | 7.254 | 21.9% | |
WTT (procedure volume) | 2.849 | 8.2% | |
WTT (recommendation score) | 1.317 | 3.9% | |
WTT (1-year reoperation ratio) | -0.2981 | -1.1%1 | |
WTT (prostate cancer center certification) | 4.549 | 13.2% | |
WTT (hospital size) | 0.571 | 2.6% | |
Number of patients | 4,614 | ||
Number of hospitals | 352 | ||
Prob > chi2 | 0.000 | ||
Pseudo R2 | 0.573 |