Skip to main content
. Author manuscript; available in PMC: 2020 Jul 2.
Published in final edited form as: J Gastrointest Surg. 2015 Dec 9;20(5):1002–1011. doi: 10.1007/s11605-015-3046-2

Table 2.

Number (%) of subjects receiving staging and treatment by facility classification

Overall Population NCI Designation Resident Program Medical School Affiliation
Yes No P* Yes No p* Major Limited None p*
N 2,300 219 2,081 1,229 1,070 613 571 1,115
Clinical Staging
TRUS or Pelvic MRI 758 (33.0) 136 (62.1) 622 (29.9) <.0001 482 (39.2) 276 (25.8) <.0001 285 (46.5) 175 (30.6) 298 (26.7) <.0001
 Pelvic CT 1,942 (84.4) 194 (88.6) 1,748 (84.0) .07 1,056 (85.9) 885 (82.7) .03 547 (89.2) 482 (84.4) 912 (81.8) .0002
 PET 432 (18.8) 58 (26.5) 374 (18.0) .0022 243 (19.8) 188 (17.6) .18 129 (21.0) 109 (19.1) 193 (17.3) .16
 Abdominal CT or MRI 1,973 (85.8) 199 (90.9) 1,774 (85.2) .02 1,075 (87.5) 897 (83.8) .01 556 (90.7) 489 (85.6) 927 (83.1) <.0001
 Chest CT or X-ray 1,707 (74.2) 168 (76.7) 1,539 (74.0) .37 910 (74.0) 796 (74.4) .85 461 (75.2) 415 (72.7) 830 (74.4) .59
CEA Test 1,306 (56.8) 157 (71.7) 1,149 (55.2) <.0001 734 (59.7) 571 (53.4) .0021 370 (60.4) 330 (57.8) 605 (54.3) .04
Chemotherapy
 Received neoadjuvant chemotherapy 1,010 (43.9) 140 (63.9) 870 (41.8) <.0001 586 (47.7) 424 (39.6) 0.0001 312 (50.9) 247 (43.3) 451 (40.4) 0.0001
 Received any chemotherapy 1,645 (71.5) 183 (83.6) 1,462 (70.3) <.0001 892 (72.6) 752 (70.3) 0.22 453 (73.9) 404 (70.8) 787 (70.6) .31
 % neoadjuvant among those who received any chemotherapy 61.4 76.5 59.5 <.0001 65.7 56.4 0.0001 68.9 61.1 57.3 0.0003
Radiation Therapy
 Received neoadjuvant radiation 1,119 (48.7) 155 (70.8) 964 (46.3) <.0001 655 (53.3) 463 (43.3) <.0001 354 (57.7) 274 (48.0) 490 (43.9) <.0001
 Received any radiation 1,616 (70.3) 180 (82.2) 1,436 (69.0) <.0001 880 (71.6) 735 (68.7) .13 457 (74.6) 396 (69.4) 762 (68.3) .02
 % neoadjuvant among those who received any radiation 69.2 86.1 67.1 <.0001 74.4 63.0 <.0001 77.5 69.2 64.3 <.0001
Sphincter Preserving Surgery 1,562 (67.9) 150 (68.5) 1,412 (67.9) .85 848 (69.0) 714 (66.7) .24 429 (70.0) 381 (66.7) 752 (67.4) .43
*

P values calculated using a two-sided Pearson Chi-Square test.