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. Author manuscript; available in PMC: 2021 Jun 2.
Published in final edited form as: J Geriatr Oncol. 2019 Sep 11;11(4):680–687. doi: 10.1016/j.jgo.2019.08.014

Table 1.

Baseline patient, tumor and treatment factors.

Treatment regimen N Prop N Prop N Prop N Prop P-value



Complete Near complete Incomplete

17,451 15,120 87% 762 4% 1569 9%
Age <0.0001
 [18–40) 870 5% 792 91% 36 4% 42 5%
 [40–50) 2018 12% 1851 92% 70 3% 97 5%
 [50–60) 4634 27% 4174 90% 184 4% 276 6%
 [60–70) 5637 32% 4896 87% 229 4% 512 9%
 [70–80) 3459 20% 2805 81% 183 5% 471 14%
 [80–+) 833 5% 602 72% 60 7% 171 21%
Sex 0.0002
 Male 10,382 59% 9084 87% 435 4% 863 8%
 Female 7069 41% 6036 85% 327 5% 706 10%
Race 0.0125
 White XX 92% 13,960 87% XX 4% 1434 9%
 Black XX 5% 712 84% XX 6% 92 11%
 Asian XX 1% 226 92% XX 1% 18 7%
 Other XX 1% 222 86% XX 4% 25 10%
Hispanic Origin 0.4428
 Non-Hispanic 16,773 96% 14,532 87% 727 4% 1514 9%
 Hispanic 678 4% 588 87% 35 5% 55 8%
Insurance Status <0.0001
 Private Insurance 9067 52% 8153 90% 340 4% 574 6%
 Not Insured 598 3% 527 88% 27 5% 44 7%
 Govt 7786 45% 6440 83% 395 5% 951 12%
Facility Type <0.0001
 Academic XX 41% XX 89% XX 4% XX 8%
 Community XX 47% XX 85% XX 5% XX 11%
 Integrated XX 7% XX 86% XX 5% XX 9%
 Other XX 0% XX 82% XX 9% XX 9%
 Suppressed (age < 40) XX 5% XX 91% XX 4% XX 5%
Facility Case Load <0.0001
 <1 1542 9% 1255 81% 93 6% 194 13%
 [1–5) 8079 46% 6871 85% 377 5% 831 10%
 [5–10) 4351 25% 3870 89% 154 4% 327 8%
 10+ 3479 20% 3124 90% 138 4% 217 6%
Distance to Treatment Facility 0.0301
 [0–50) 15,360 88% 13,269 86% 676 4% 1415 9%
 [50–100) 1339 8% 1174 88% 60 4% 105 8%
 [100+) 752 4% 677 90% 26 3% 49 7%
Charlson/Deyo comorbidity score <0.0001
 0 12,950 74% 11,368 88% 541 4% 1041 8%
 1 2824 16% 2369 84% 125 4% 330 12%
 2+ 1677 10% 1383 82% 96 6% 198 12%
Diagnosis Year 0.0087
 2005 1458 8% 1221 84% 82 6% 155 11%
 2006 1706 10% 1464 86% 80 5% 162 9%
 2007 1872 11% 1633 87% 78 4% 161 9%
 2008 1948 11% 1712 88% 91 5% 145 7%
 2009 2189 13% 1871 85% 102 5% 216 10%
 2010 2500 14% 2166 87% 113 5% 221 9%
 2011 2762 16% 2430 88% 105 4% 227 8%
 2012 3016 17% 2623 87% 111 4% 282 9%
Zip code income level <0.0001
 [$63K+) 6013 34% 5321 88% 240 4% 452 8%
 [$48K–63K) 5098 29% 4410 87% 203 4% 485 10%
 [$38K–$48K) 3994 23% 3399 85% 197 5% 398 10%
 [0–$38K) 2346 13% 1990 85% 122 5% 234 10%
Surgery <0.0001
 Surgery 14,215 81% 12,666 89% 542 4% 1007 7%
 Biopsy only 3236 19% 2454 76% 220 7% 562 17%

Govt: Government, Surgery: includes both subtotal and gross total resection extent, Complete: total dose of RT ≥ 58 and ≤66 Gy delivered in dose per fraction ≥1.8 Gy and ≤2.0 Gy, Near Complete: total dose of RT ≥ 50 and <58 Gy delivered in dose per fraction ≥1.8 Gy and ≤2.0 Gy, Incomplete: total dose of RT <50 Gy delivered in dose per fraction ≥1.8 Gy and ≤2.0 Gy.

XX: To ensure anonymity of patients, NCDB requires that no cell counts <10 be reported. Cell with fewer than 10 individuals or cells with counts allowing back-calculation of small counts have been redacted.