Cohort iC + CRT | Cohort CRT | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
45–55 Gy | 55+ Gy | 45–55 Gy | 55+ Gy | |||||||
N | % | N | % | P | N | % | N | % | P | |
Facility1 | 0.26 | |||||||||
Nonacademic | 129 | 50 | 65 | 50 | 273 | 75 | 128 | 70 | ||
Academic | 129 | 50 | 64 | 50 | 93 | 25 | 55 | 30 | ||
Age | 0.91 | 0.59 | ||||||||
< 65 | 128 | 50 | 65 | 50 | 196 | 54 | 93 | 51 | ||
≥ 65 | 130 | 50 | 64 | 50 | 170 | 46 | 90 | 49 | ||
Charlson-Deyo Score | 0.65 | 0.48 | ||||||||
0–1 | 242 | 94 | 123 | 95 | 351 | 96 | 178 | 97 | ||
≥ 2 | 16 | 6 | 6 | 5 | 15 | 4 | 5 | 3 | ||
Income | 0.65 | |||||||||
Above median | 205 | 56 | 107 | 58 | ||||||
Below median | 161 | 44 | 76 | 42 | ||||||
Year of diagnosis | 0.71 | 0.85 | ||||||||
2004–2007 | 10 | 4 | 5 | 4 | 133 | 36 | 71 | 39 | ||
2008–2011 | 131 | 51 | 71 | 55 | 177 | 48 | 86 | 47 | ||
2012–2015 | 117 | 45 | 53 | 41 | 56 | 15 | 26 | 14 | ||
Tumor size (cm) | 0.67 | 0.78 | ||||||||
< 3.8 | 137 | 53 | 65 | 50 | 161 | 44 | 78 | 43 | ||
≥ 3.8 | 121 | 47 | 64 | 50 | 205 | 56 | 105 | 57 | ||
Clinical N stage | 0.58 | 0.51 | ||||||||
0 | 160 | 62 | 84 | 65 | 224 | 61 | 118 | 64 | ||
1 | 98 | 38 | 45 | 35 | 142 | 39 | 65 | 36 | ||
Chemotherapy | 0.59 | 0.54 | ||||||||
Single agent | 49 | 19 | 28 | 22 | 273 | 75 | 132 | 72 | ||
Multi agent | 209 | 81 | 101 | 78 | 93 | 25 | 51 | 28 |