Table 5.
Predictors of nonadherence to NCCN guidelines for ovarian cancer care (2003–2007).
| Risk factor | N | % | Unadjusted OR | 95% CI
|
Adjusted OR | 95% CI
|
||
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | Lower | Upper | |||||
| Patient characteristics | ||||||||
| Age (years) | ||||||||
| <60 | 21,162 | 44.42 | Referent | Referent | ||||
| 60–75 | 17,429 | 36.58 | 1.120 | 1.076 | 1.166 | 1.075 | 1.031 | 1.120 |
| >75 | 9051 | 19.00 | 2.825 | 2.675 | 2.984 | 2.566 | 2.426 | 2.714 |
| Race | ||||||||
| Whites | 42,017 | 88.19 | Referent | Referent | ||||
| Non-Whites | 4862 | 10.21 | 1.264 | 1.189 | 1.344 | 1.335 | 1.253 | 1.421 |
| Unknown | 763 | 1.60 | 1.121 | 0.969 | 1.297 | 1.355 | 1.167 | 1.573 |
| Charlson/Dayo Comorbidity Index | ||||||||
| 0 | 39,040 | 81.94 | Referent | Referent | ||||
| 1 | 6848 | 14.37 | 1.287 | 1.221 | 1.356 | 1.164 | 1.102 | 1.230 |
| 2 | 1407 | 2.95 | 1.754 | 1.565 | 1.967 | 1.426 | 1.266 | 1.605 |
| 3 | 347 | 0.73 | 3.134 | 2.412 | 4.071 | 2.558 | 1.956 | 3.345 |
| Facility characteristics | ||||||||
| Facility type | ||||||||
| Academic/research cancer program | 21,690 | 45.53 | Referent | Referent | ||||
| Comprehensive community cancer program | 20,709 | 43.47 | 1.392 | 1.340 | 1.447 | 1.071 | 1.026 | 1.119 |
| Community cancer program | 5243 | 11.00 | 2.139 | 2.006 | 2.281 | 1.197 | 1.107 | 1.293 |
| Average hospital ovarian cancer case volume/year (1998–2002) | ||||||||
| 1–7 cases/year | 11,838 | 24.85 | Referent | Referent | ||||
| 8–16 cases/year | 11,960 | 25.10 | 0.599 | 0.568 | 0.632 | 0.662 | 0.624 | 0.703 |
| 17–26 cases/year | 12,005 | 25.20 | 0.458 | 0.435 | 0.483 | 0.515 | 0.485 | 0.547 |
| ≥27 cases/year | 11,839 | 24.85 | 0.373 | 0.354 | 0.394 | 0.438 | 0.411 | 0.467 |
| Total | 47,642 | 100.00 | ||||||
Hazard Ratios Bolded for p < 0.05.