Table 1.
Baseline patient and hospital characteristics (significant p values are given in bold)
| Patient characterstics | Non-GI cancer | Esophageal cancer | p value | Gastric cancer | p value | Hepatic cancer | p value | Cholangio-carcinoma | p value | Pancreatic cancer | p value | Colon cancer | p value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Patients, n | 34,365 | 39 | 74 | 1,612 | 75 | 927 | 497 | ||||||
| Female, n (%) | 15,883 (46.2) | 10 (25.6) | 0.005 | 39 (52.7) | 0.54 | 409 (25.3) | 0.001 | 38 (50.6) | 0.63 | 617 (66.5) | 0.001 | 205 (41.2) | 0.02 |
| Male, n (%) | 18,482 (53.8) | 29 (74.4) | <0.01 | 35 (47.3) | 0.26 | 1,203 (74.7) | <0.01 | 37 (49.3) | 0.44 | 310 (33.4) | <0.01 | 292 (58.7) | 0.02 |
| Mean age, years | 51.8 | 63.5 | <0.001 | 76 | <0.001 | 63.3 | <0.001 | 59 | 0.004 | 63.6 | <0.001 | 65.7 | <0.001 |
| Race, n (%) | |||||||||||||
| White | 24,399 (71) | 39 (100) | 0.014 | 31 (42) | 0.001 | 903 (56.1) | <0.001 | 37 (49) | 0.001 | 700 (75.6) | 0.002 | 363 (73.7) | 0.32 |
| Black | 4,192 (12.2) | 0 | 0.011 | 16 (21.5) | 0.015 | 256 (15.8) | <0.001 | 10 (14.4) | 0.764 | 6 (0.6) | 0.001 | 3 (0.5) | <0.000 |
| Hispanic | 3,642 (10.6) | 0 | 0.031 | 26 (35) | <0.001 | 25 (1.5) | <0.001 | 11 (14.4) | 0.252 | 81 (8.8) | 0.068 | 43 (8.7) | 0.161 |
| Other | 2,130 (6.2) | 0 | 0.17 | 0 | 0.014 | 200 (16.4) | <0.001 | 22 (29) | <0.001 | 79 (8.4) | 0.004 | 62 (12.7) | <0.001 |
| Mean Charlson comorbidity index | 2.3 | 6.7 | <0.001 | 5.6 | <0.001 | 5.7 | <0.001 | 5.1 | <0.001 | 6.2 | <0.001 | 5.5 | <0.001 |
| Insurance provider, n (%) | |||||||||||||
| Medicare | 10,996 (32) | 8 (19.1) | 0.124 | 37 (50) | <0.001 | 767 (47.2) | <0.001 | 29 (38.6) | 0.216 | 458 (49.5) | <0.001 | 193 (38.9) | 0.002 |
| Medicaid | 5,876 (17.1) | 4 (10.2) | 0.391 | 4 (5.9) | 0.004 | 350 (21.7) | <0.001 | 14 (18.7) | 0.718 | 96 (10.3) | <0.001 | 76 (15.3) | 0.377 |
| Private | 15,258 (44.4) | 28 (70.9) | <0.001 | 28 (37.4) | 0.256 | 425 (26.4) | <0.001 | 27 (36.1) | 350 (37.8) | 210 (42.3) | |||
| Uninsured | 2,233 (6.5) | 0 | 0.812 | 5 (6.8) | 73 (4.7) | 8 (6.2) | 22 (2.3) | 17 (3.5) | |||||
| Hospital characteristics, n (%) | |||||||||||||
| Teaching hospital | 23,813 (69.5) | 34 (87.1) | 0.001 | 65 (81.5) | <0.001 | 1,508 (79.2) | <0.001 | 64 (80.2) | <0.001 | 785 (72.2) | <0.001 | 310 (62.4) | <0.001 |
| Non-teaching hospital | 10,552 (30.7) | 5 (12.8) | 0.2 | 4 (17.8) | <0.01 | 108 (20.8) | <0.01 | 11 (14.6) | <0.01 | 142 (15.3) | <0.01 | 177 (36.3) | <0.01 |
| Hospital size, n (%) | |||||||||||||
| Small | 4,192 (12.2) | 4 (10.3) | 1 | 0 | 0.032 | 279 (17.5) | <0.001 | 4 (5.2) | 0.079 | 111 (12) | 0.836 | 46 (9.2) | 0.047 |
| Medium | 8,385 (24.4) | 0 | 0 | 33 (44.5) | 0.001 | 340 (21.1) | 0.002 | 9 (12.1) | 0.015 | 239 (23.7) | 0.33 | 129 (26) | 0.423 |
| Large | 21,787 (63.4) | 35 (89) | 0.005 | 41 (55.5) | 0.118 | 991 (61.4) | 0.117 | 62 (82.6) | 0.009 | 594 (64.1) | 0.672 | 321 (64.3) | 0.585 |
| Hospital location, n (%) | |||||||||||||
| Urban location | 26,907 (78.3) | 39 (100) | <0.001 | 73 (98.6) | <0.001 | 1,557 (96.6) | <0.001 | 72 (96.1) | <0.001 | 875 (94.4) | <0.001 | 451 (90.8) | <0.001 |
| Rural location | 7,458 (21.7) | 0 | <0.001 | 1 (1.3) | <0.001 | 55 (3.4) | <0.001 | 3 (3.8) | <0.001 | 52 (5.6) | <0.001 | 46 (8.1) | <0.001 |