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. 2018 Jun 11;20(10):1374–1382. doi: 10.1093/neuonc/noy102

Table 3.

Treatment-related variables

Variable Available Data
(all = )
Private Insurance
N = 29 811
Medicare
N = 24 994
Medicaid
N = 4318
Uninsured
N = 2491
P-value
Receive any treatment, n 61 341 28 635 (96.4%) 21 794 (87.7%) 4037 (93.9%) 2277 (92.0%) <0.001
TIme to first treatment, mean (SD) 56 048 7.80 (19.8) 8.82 (20.1) 8.49 (24.3) 7.11 (17.2) 0.028
Surgery, n 61 585 24 989 (83.9%) 18 158 (72.7%) 3484 (80.7%) 2015 (80.9%) <0.001
Extent of resection 27 555 <0.001
 Biopsy 2835 (21.6%) 2480 (24.7%) 448 (21.9%) 297 (25.6%)
 Subtotal 4170 (31.8%) 3153 (31.4%) 729 (35.6%) 360 (31.0%)
 Gross total 27 555 4537 (34.6%) 3225 (32.1%) 616 (30.1%) 330 (28.4%)
 Lobectomy 1373 (10.5%) 1034 (10.3%) 216 (10.5%) 151 (13.0%)
 Not specified 186 (1.42%) 160 (1.59%) 40 (1.95%) 22 (1.90%)
Radiotherapy, n 61 269 24 185 (81.6%) 16 239 (65.3%) 3212 (74.8%) 1675 (68.0%) <0.001
Chemotherapy, n 59 683 23 397 (80.8%) 14 646 (60.5%) 2936 (70.5%) 1518 (64.5%) <0.001
Treatment rejection,* n
 Surgery 61 408 91 (0.31%) 369 (1.48%) 32 (0.74%) 23 (0.93%) <0.001
 Radiation 60 220 498 (1.70%) 1334 (5.49%) 154 (3.65%) 97 (4.02%) <0.001
 Chemotherapy 61 207 539 (1.82%) 1297 (5.22%) 152 (3.54%) 96 (3.91%) <0.001
Treatment regimen received, n 59 541 <0.001
 Nothing 1078 (3.73%) 3057 (12.7%) 264 (6.35%) 199 (8.48%)
 Chemo alone 138 (0.48%) 139 (0.58%) 19 (0.46%) 6 (0.26%)
 Radiation alone 348 (1.20%) 806 (3.34%) 79 (1.90%) 59 (2.51%)
 Surgery alone 2980 (10.3%) 4209 (17.4%) 597 (14.4%) 434 (18.5%)
 Radiation and chemo 3125 (10.8%) 2647 (11.0%) 450 (10.8%) 194 (8.26%)
 Surgery and chemo 683 (2.36%) 632 (2.62%) 96 (2.31%) 57 (2.43%)
 Surgery and radiation 1136 (3.93%) 1430 (5.93%) 281 (6.76%) 139 (5.92%)
 Surgery, radio and chemo 19 414 (67.2%) 11 215 (46.5%) 2370 (57.0%) 1260 (53.7%)

*Documented when treatment was recommended by the patient’s physician, but it was refused by the patient, the patient’s family member, or the patient’s guardian AND it was noted in patient record.

Bold denotes statistical significance.