Figure 1
Figure 2
Patient Characteristics_
| Characteristic | Diagnosed Patients | CHT Treatment | XRT Treatment |
|---|---|---|---|
| Age at Diagnosis (years) ± quartiles | 60 69 76 | - - | - - |
| Survival after Diagnosis (months) | 2.4 4.8 12.0 | - | - |
| Diagnosis to Treatment (months) | - | 0.4 0.9 1.5 | 0.3 0.7 1.4 |
| Treatment to Death (months) | - - | 2.8 6.4 13.2 | 1.8 4.3 10.0 |
| Male | Female | 58% | 42% | 58% | 42% | 60% | 40% |
| White | Non-White | 83% | 17% | ||
| % CHT Treated | % XRT Treated | ||
| Patients Diagnosed 1995 to 2010 | N = 48,858 | 44% | 44% |
| Treatment Before Death | |||
| CHT and XRT | 11,983 | 100% | 100% |
| CHT and not XRT | 9,590 | 100% | 0% |
| XRT and not CHT | 9,650 | 0% | 100% |
| Neither | 17,635 | 0% | 0% |
| Marital Status | |||
| Married | 27,592 | 49% | 46% |
| Widowed | 8,180 | 32% | 36% |
| Single | 6,152 | 42% | 45% |
| Divorced | 5,586 | 44% | 47% |
| Unknown | 1,348 | 38% | 46% |
| SES | |||
| Low | 6,901 | 50% | 45% |
| Middle | 33,430 | 44% | 44% |
| High | 8,527 | 40% | 46% |
| Insurance Status | |||
| Insured | 39,575 | 44% | 43% |
| Medicare | 26,302 | 39% | 39% |
| Private | 9,947 | 55% | 48% |
| Medicaid | 2,476 | 48% | 52% |
| Military | 895 | 45% | 58% |
| Not insured | 2,443 | 42% | 48% |
| Unknown | 6,840 | 46% | 51% |
Timing of treatment initiation in Stage IV NSCLC Patients from 1995 – 2010_
| Years: | 95–96 | 97–98 | 99–00 | 01–02 | 03–04 | 05–06 | 07–08 | 09–10 | Total |
|---|---|---|---|---|---|---|---|---|---|
| Patients who initiated first course of radiotherapy | |||||||||
| > 60 days from death | 72.9% | 73.9% | 72.3% | 72.6% | 73.4% | 72.9% | 72.3% | 76.3% | 73.3% |
| 31–60 days from death | 14.0% | 12.9% | 15.1% | 14.3% | 13.2% | 14.0% | 14.7% | 12.6% | 13.8% |
| 15–30 days from death | 7.3% | 8.3% | 7.4% | 7.8% | 7.9% | 7.5% | 7.9% | 7.0% | 7.7% |
| 0–14 days from death | 5.8% | 5.0% | 5.1% | 5.3% | 5.6% | 5.6% | 5.1% | 4.0% | 5.2% |
| Patients who initiated first course of chemotherapy | |||||||||
| > 60 days from death | 81.6% | 82.7% | 82.7% | 82.6% | 83.4% | 84.0% | 83.7% | 85.2% | 83.3% |
| 31–60 days from death | 9.2% | 8.3% | 9.0% | 9.5% | 8.7% | 8.5% | 8.8% | 7.7% | 8.1% |
| 15–30 days from death | 5.2% | 5.3% | 5.1% | 4.5% | 4.1% | 4.8% | 4.4% | 3.9% | 5.0% |
| 0–14 days from death | 4.0% | 3.8% | 3.2% | 3.4% | 3.7% | 2.7% | 3.1% | 3.2% | 3.6% |
Factors Impacting Utilization_
| Radiotherapy Received | |||
| Characteristic | OR | 95% CI | P (Wald statistics) |
| Age 70: 65 | 0.897 | (0.887, 0.908) | < 0.0001 |
| Low SES: Middle SES | 1.015 | (0.959, 1.074) | |
| 0.173 | |||
| Low SES: High SES | 1.073 | (0.992, 1.160) | |
| Not Married: Married | 0.938 | (0.896, 0.982) | 0.006 |
| Not Insured: Insured | 0.852 | (0.721, 1.007) | < 0.0001 |
| Female: Male | 0.863 | (0.826, 0.903) | < 0.0001 |
| CHT Received-Yes: No | 0.593 | (0.567, 0.619) | < 0.0001 |
| Chemotherapy Received | |||
| Characteristic | OR | 95% CI | P (Wald Statistics) |
| Age 70: 65 | 0.824 | (0.814, 0.834) | < 0.0001 |
| Low SES: Middle SES | 0.830 | (0.783, 0.880) | |
| < 0.0001 | |||
| Low SES: High SES | 0.681 | (0.629, 0.738) | |
| Not Married: Married | 0.702 | (0.671, 0.736) | < 0.0001 |
| Not Insured: Insured | 0.678 | (0.572, 0.804) | < 0.0001 |
| Female: Male | 1.077 | (1.029, 1.127) | 0.001 |
| XRT Received-Yes: No | 0.593 | (0.568, 0.620) | < 0.0001 |