Table 1.
Patient Characteristics in the 2006-2007 QRRO Lung Survey
| Non-Small Cell Lung Cancer | Small Cell Lung Cancer | |||||
|---|---|---|---|---|---|---|
| Weighted Patients | Unweighted | Weighted Patients | Unweighted | |||
| (n = 31,864) | Patients | (n = 6,288) | Patients | |||
| No. | % | (n = 340) | No. | % | (n = 144) | |
| Age at start of RT (years) | ||||||
| Mean | 67 | 63 | ||||
| Median | 66 | 63 | ||||
| Interquartile range | 59–75 | 59–66 | ||||
| Sex | ||||||
| Male | 16,210 | 50.9 | 179 | 3,053 | 48.6 | 73 |
| Female | 15,654 | 49.1 | 161 | 3,235 | 51.5 | 71 |
| Race | ||||||
| White | 24,823 | 77.9 | 261 | 5,378 | 85.5 | 121 |
| Black/African-American | 5,313 | 16.7 | 59 | 730 | 11.6 | 18 |
| Asian | 665 | 2.1 | 7 | — | — | 0 |
| Other/Unspecified | 1,063 | 3.3 | 13 | 180 | 2.9 | 5 |
| Ethnicity | ||||||
| Hispanic | 1,512 | 4.8 | 18 | 189 | 3.0 | 5 |
| Not Hispanic/Unspecified | 30,352 | 95.2 | 322 | 6,099 | 97.0 | 139 |
| Marital Status | ||||||
| Married | 16,458 | 51.6 | 174 | 3,730 | 59.3 | 84 |
| Single | 10,762 | 33.8 | 111 | 2,088 | 33.2 | 46 |
| Not specified / Unknown | 4,643 | 14.6 | 55 | 469 | 7.5 | 14 |
| Primary payment method | ||||||
| Medicare | 17,418 | 54.7 | 173 | 2,266 | 36.0 | 45 |
| Private Insurance | 5,998 | 18.8 | 68 | 2,208 | 35.1 | 55 |
| Health Maintenance Organization | 3,944 | 12.4 | 35 | 880 | 14.0 | 16 |
| Medicaid | 2,154 | 6.8 | 22 | 597 | 9.5 | 14 |
| Government Insurance | 1,345 | 4.2 | 24 | 295 | 4.7 | 11 |
| Self-Pay | 232 | 0.7 | 5 | 42 | 0.7 | 3 |
| Not specified | 773 | 2.4 | 13 | |||
| Stratum | ||||||
| Academic | 5,192 | 16.3 | 112 | 731 | 11.6 | 52 |
| Large Nonacademic (>3 linacs) | 6,838 | 21.5 | 104 | 1,152 | 18.3 | 46 |
| Medium Nonacademic (2 linacs) | 9,255 | 29.0 | 52 | 2,496 | 39.7 | 25 |
| Small Nonacademic (1 linac) | 10,580 | 33.2 | 72 | 1,909 | 30.4 | 21 |
| Census Region | ||||||
| Northeast | 5,043 | 15.8 | 48 | 791 | 12.6 | 17 |
| Midwest | 8,012 | 25.1 | 92 | 1,918 | 30.5 | 49 |
| South | 11,748 | 36.9 | 125 | 2,049 | 32.6 | 46 |
| West | 7,061 | 22.2 | 75 | 1,531 | 24.4 | 32 |
| Karnofsky Performance Score | ||||||
| 60 | 1,728 | 5.4 | 18 | 133 | 2.1 | 4 |
| 70 | 5,166 | 16.2 | 54 | 975 | 15.5 | 19 |
| 80 | 9,620 | 30.2 | 108 | 2,017 | 32.1 | 49 |
| 90 | 10,542 | 33.1 | 111 | 2,384 | 37.9 | 55 |
| 100 | 4,760 | 14.9 | 48 | 780 | 12.4 | 17 |
| Unknown (>=60) | 46 | 0.1 | 1 | |||
| Smoking Status | ||||||
| Never smoked | 1,879 | 5.9 | 16 | 14 | 0.2 | 1 |
| Current smoker | 14,010 | 44.0 | 149 | 3,488 | 55.5 | 76 |
| Former smoker (quit ≤1 year ago) | 3,650 | 11.5 | 41 | 1,059 | 16.8 | 27 |
| Former smoker (quit >1 year and | ||||||
| ≤10 years ago) | 4,253 | 13.3 | 50 | 1,086 | 17.3 | 23 |
| Former smoker (quit >10 years ago) | 7,383 | 23.2 | 73 | 577 | 9.2 | 14 |
| Former smoker (quit period unknown) | 464 | 1.5 | 7 | |||
| Unknown smoking status | 224 | 0.7 | 4 | 64 | 1.0 | 3 |
| Tumor Histology | ||||||
| Squamous cell | 11,094 | 34.8 | 120 | |||
| Adenocarcinoma | 10,213 | 32.1 | 108 | |||
| Large-cell | 967 | 3.0 | 11 | |||
| NSCLC, NOS | 8,863 | 27.8 | 94 | |||
| Other | 483 | 1.5 | 5 | |||
| Unknown | 244 | 0.8 | 2 | |||
| Small-cell/oat cell | 6,235 | 99.2 | 141 | |||
| Mixed histology (SCLC and NSCLC) | 53 | 0.8 | 3 | |||
| Disease Stage | ||||||
| 1 | 53 | n/a | ||||
| II | 39 | n/a | ||||
| III | 211 | n/a | ||||
| Unknown | 37 | n/a | ||||
Abbreviations: QRRO, Quality Research in Radiation Oncology; RT, radiation therapy; linacs, linear accelerators; NSCLC, NOS, non-small cell lung cancer not otherwise specified; SCLC, small cell lung cancer; n/a, not applicable (all small cell lung cancer was considered limited stage);.