Table 4.
Factors associated with agreement of treatment plan and claims for treatment
Systemic therapy only | Radiation only | Surgery only | Watching | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATTRIBUTE | CATEGORY | N | Adjusted PPV* % | p-Value | N | Adjusted PPV* % | p-Value | N | Adjusted PPV* % | p-Value | N | Adjusted PPV* % | p-Value |
Overall | 2,347 | 62.0 | 564 | 66.0 | 294 | 45.6 | 3,686 | 74.3 | |||||
Patient Factors | |||||||||||||
Age | <=75 | 1,452 | 63.1 | 0.49 | 327 | 65.7 | 0.94 | 190 | 51.0 | 0.005 | 2,231 | 74.0 | 0.31 |
>75 | 895 | 61.2 | 237 | 65.3 | 104 | 33.6 | 1,455 | 74.7 | |||||
Performance Status | 0 | 862 | 58.8 | 0.03 | 244 | 66.0 | 0.11 | 153 | 47.8 | 0.36 | 1,690 | 78.0 | <0.0001 |
1 | 1,191 | 64.0 | 243 | 62.0 | 123 | 43.3 | 1,607 | 70.5 | |||||
>=2 | 294 | 65.9 | 77 | 74.3 | 18 | 29.2 | 389 | 72.4 | |||||
Comorbidity | 0 | 1,189 | 63.5 | 0.048 | 254 | 65.6 | 0.97 | 151 | 47.6 | 0.58 | 1,720 | 76.9 | <0.0001 |
1 or 2 | 874 | 59.4 | 227 | 65.3 | 103 | 38.5 | 1,429 | 73.8 | |||||
>= 3 | 284 | 66.7 | 83 | 66.0 | 40 | 49.7 | 537 | 66.5 | |||||
Cancer Factors | |||||||||||||
Type | Bladder | 261 | 66.7 | <0.0001 | 71 | 74.6 | 0.004 | 50 | 44.0 | 0.035 | 473 | 74.0 | 0.0003 |
Kidney | 222 | 40.1 | 48 | 66.7 | 51 | 54.9 | 529 | 82.1 | |||||
Ovarian | 811 | 65.0 | 46 | 67.4 | 87 | 57.5 | 804 | 72.6 | |||||
Pancreas | 265 | 65.3 | 48 | 64.6 | 33 | 33.3 | 368 | 77.0 | |||||
Prostate | 428 | 64.7 | 273 | 56.0 | 33 | 27.3 | 884 | 71.9 | |||||
SCL | 226 | 64.6 | 65 | 78.5 | 15 | 33.3 | 308 | 73.2 | |||||
Stomach | 134 | 51.5 | 13 | 38.5 | 34 | 35.3 | 320 | 68.2 | |||||
Stage | NED | 181 | 54.9 | 0.036 | 95 | 55.9 | 0.28 | 54 | 47.3 | 0.52 | 3,101 | 75.6 | <0.0001 |
Local | 350 | 59.4 | 202 | 67.7 | 101 | 49.0 | 143 | 72.3 | |||||
Metastatic | 1,816 | 63.7 | 267 | 67.8 | 139 | 40.5 | 442 | 64.9 | |||||
Provider Factors | |||||||||||||
Specialty | Medical Onc | 1,489 | 64.9 | 0.029 | 149 | 54.2 | <0.0001 | 127 | 39.4 | 0.20 | 1,796 | 70.1 | <0.0001 |
Gyn or Gyn Onc | 271 | 62.3 | 11 | 57.1 | 28 | 33.5 | 308 | 77.2 | |||||
Internal Med | 115 | 55.2 | 17 | 34.9 | 20 | 43.9 | 368 | 76.9 | |||||
Surgery | 40 | 61.2 | 13 | 53.2 | 38 | 66.0 | 116 | 76.5 | |||||
Radiation Onc | 75 | 50.8 | 241 | 80.9 | 11 | 30.2 | 270 | 72.9 | |||||
Urology | 76 | 44.2 | 41 | 22.1 | 27 | 34.2 | 280 | 83.5 | |||||
Other | 357 | 56.5 | 133 | 50.1 | 65 | 55.1 | 548 | 78.7 | |||||
Pre-PET Plan | Other Imaging | 1,104 | 61.5 | 0.044 | 233 | 58.7 | <0.0001 | 100 | 46.5 | 0.011 | 2,101 | 74.1 | 0.0058 |
Treat | 811 | 65.9 | 255 | 74.8 | 122 | 52.3 | 584 | 69.3 | |||||
Biopsy | 237 | 58.3 | 42 | 58.9 | 52 | 32.3 | 384 | 77.2 | |||||
Watch | 195 | 56.7 | 34 | 41.2 | 20 | 25.1 | 617 | 77.5 |
NED: No evidence of disease or low probability of local recurrence. Gyn: Gynecology. Med: Medicine. Onc: Oncology. SCL: small cell lung
PPV: Adjusted estimates of the PPV were provided on the fitted model assuming that the other factors were fixed at their mean or prevalence in the data set.