Table 3.
All-cause and bladder cancer–specific mortality risks according to average provider treatment intensity*
| Patient stratification | Median survival in months by quartiles of provider treatment intensity |
Adjusted HR of death (95% CI) for patients of low– vs high–treatment intensity providers |
||||
| 1 (low) | 2 | 3 | 4 (high) | All-cause mortality | Bladder cancer–specific mortality | |
| All patients | 76.8 | 79.8 | 76.5 | 78.0 | 1.03 (0.97 to 1.09)† | 0.70 (0.59 to 0.83)† |
| Stratified by grade | ||||||
| Low | 85.1 | 86.6 | 83.4 | 85.9 | 1.03 (0.96 to 1.11)‡ | 0.66 (0.52 to 0.85)‡ |
| High | 62.0 | 64.0 | 62.5 | 63.3 | 1.03 (0.92 to 1.15)‡ | 0.81 (0.63 to 1.03)‡ |
| Unknown | 71.1 | 80.7 | 72.8 | 71.3 | 0.96 (0.78 to 1.19)‡ | 0.39 (0.20 to 0.75)‡ |
| Stratified by stage | ||||||
| Ta | 85.3 | 87.4 | 84.3 | 89.9 | 1.06 (0.98 to 1.14)§ | 0.74 (0.57 to 0.97)§ |
| Tis | 76.8 | 72.0 | 74.9 | 72.4 | 0.91 (0.74 to 1.11)§ | 0.49 (0.27 to 0.89)§ |
| T1 | 75.8 | 76.6 | 76.7 | 78.9 | 0.98 (0.88 to 1.09)§ | 0.68 (0.54 to 0.86)§ |
| Ta or T1 | 64.4 | 64.8 | 63.7 | 61.7 | 1.06 (0.89 to 1.27)§ | 0.72 (0.44 to 1.18)§ |
*
HR = hazard ratio; CI = confidence interval.
†
Adjusted for age, sex, race, socioeconomic status, comorbidity, tumor grade, and tumor stage.
‡
Adjusted for age, sex, race, socioeconomic status, comorbidity, and tumor stage.
§
Adjusted for age, sex, race, socioeconomic status, comorbidity, and tumor grade.