Table 1.
Demographic, tumor, and characteristics of patients with lung cancer in Pennsylvania by stage of diagnosis.
| Characteristics (mean ± SD or %) | Localized (n = 52,792) |
Regional (n = 62,952) |
Distant (n = 121,888) |
Unknown (n = 14,491) |
Total (n = 252,123) |
|---|---|---|---|---|---|
| Histology at diagnosis, % | |||||
| Squamous cell | 29.7 | 30.98 | 17.86 | 22.86 | 23.9 |
| Adenocarcinoma | 41.37 | 33.99 | 36.52 | 27.03 | 36.36 |
| Small cell | 7.85 | 14.72 | 21.01 | 13.56 | 16.25 |
| Large cell | 9.94 | 9.81 | 12.973 | 26.98 | 12.35 |
| Other | 11.11 | 10.47 | 11.62 | 9.55 | 11.11 |
| Treatment Status (2010–2017, n) | |||||
| Yes | 13,694 | 15,075 | 30,373 | 1,321 | 60,463 |
| No | 1,716 | 2,293 | 8,475 | 535 | 13,019 |
| Age (years) | 69.65 ± 10.25 | 68.61 ± 10.47 | 68.34 ± 11.13 | 72 ± 10.94 | 68.89 ± 10.81 |
| Male, % | 52.05 | 56.03 | 56.70 | 54.88 | 55.44 |
| Race/ethnicity, % | |||||
| Non-Hispanic white | 90.02 | 89.13 | 88.42 | 89.73 | 89.01 |
| Hispanic | 0.57 | 0.63 | 0.73 | 0.44 | 0.65 |
| Non-Hispanic black | 8.51 | 9.36 | 9.86 | 8.58 | 9.38 |
| Other | 0.90 | 0.87 | 0.98 | 1.23 | 0.95 |
| Bachelor’s degree, % | |||||
| Low (<25) | 24.03 | 24.73 | 25.52 | 25.4 | 25.01 |
| low-medium (26–50) | 24.48 | 24.89 | 25.18 | 25.76 | 24.99 |
| medium–high (51–75) | 25.11 | 25.21 | 24.88 | 24.51 | 24.99 |
| High (76–100) | 26.36 | 25.14 | 24.39 | 24.31 | 24.99 |
| Area Deprivation Index (ADI) (1 to 100) | |||||
| Lowest (1–20) | 17.7 | 16.9 | 16.5 | 16.9 | 16.9 |
| Lower-middle (21–40) | 15.7 | 15.6 | 15.6 | 16.2 | 15.7 |
| Middle (41–60) | 19.7 | 19.6 | 19.9 | 18.9 | 19.7 |
| Higher-middle (61–80) | 20.5 | 20.7 | 21.0 | 21.1 | 20.8 |
| Highest (81–100) | 23.9 | 24.7 | 24.3 | 24.4 | 24.3 |
| Unknown | 2.5 | 2.5 | 2.7 | 2.5 | 2.6 |
| Rural-urban commuting area (RUCA), % | |||||
| Non-metropolitan core | 8.34 | 9.08 | 8.91 | 8.52 | 8.81 |
| Metropolitan core | 91.65 | 90.91 | 91.08 | 91.47 | 91.18 |
| Unknown | 0 | 0 | 0 | 0 | 0 |
| Year of Diagnosis, % | |||||
| 1990–1995 | 24.95 | 19.74 | 15.83 | 29.41 | 19.5 |
| 1996–2000 | 18.33 | 18.42 | 16.42 | 26.94 | 17.92 |
| 2001–2005 | 14.58 | 19.03 | 18.94 | 20.62 | 18.15 |
| 2006–2010 | 15.94 | 18.59 | 20.92 | 10.92 | 18.72 |
| 2011–2017 | 26.18 | 24.19 | 27.86 | 12.08 | 25.68 |
| Geocoding Match Quality, % | |||||
| Street address match | 89.8 | 89.3 | 89.9 | 86.6 | 89.5 |
| Area-level match | 9.8 | 10.3 | 9.7 | 13.2 | 10.0 |
| Other or missing | 0.4 | 0.4 | 0.4 | 0.2 | 0.5 |
| Median Survival Time (years) | 2.20 | 1.13 | 0.42 | 0.71 | 0.76 |
| Median Survival Time (years), by histology at diagnosis | |||||
| Squamous cell | 1.93 | 1.07 | 0.44 | 0.74 | 0.86 |
| Adenocarcinoma | 3.27 | 1.55 | 0.47 | 0.85 | 0.96 |
| Small cell | 1.12 | 1.01 | 0.50 | 0.82 | 0.67 |
| Large cell | 1.08 | 0.65 | 0.23 | 0.44 | 0.39 |
| Other | 2.98 | 1.13 | 0.41 | 0.95 | 0.76 |
| Air pollution exposures (mean ± SD) | |||||
| NO2 (ppb) | 8.14 ± 2.10 | 8.13 ± 2.15 | 8.03 ± 2.34 | 9.06 ± 2.14 | 8.14 ± 2.24 |
| O3 (ppb) | 22.80 ± 3.28 | 22.96 ± 3.31 | 22.92 ± 4.09 | 23.75 ± 3.60 | 22.95 ± 3.72 |
| PM10 (ug/m3) | 26.50 ± 4.42 | 26.48 ± 4.61 | 26.63 ± 5.74 | 25.89 ± 5.41 | 26.53 ± 5.20 |
| PM2.5 (ug/m3) | 6.61 ± 1.63 | 6.68 ± 1.66 | 6.62 ± 1.78 | 7.31 ± 1.67 | 6.67 ± 1.72 |