Table 1.
Characteristics of patients with esophageal cancer, Columbia University and Weill Cornell Medical Centers.
| Total | No. (%)
Columbia |
Cornell | p-value* | |
|---|---|---|---|---|
| Number of patients | 354 (100%) | 197 (56%) | 157 (44%) | |
| Mean age, years (S.D.) | 63.8 (12.0) | 66.2 (11.7) | 60.8 (11.8) | <0.0001 |
| Male sex | 270 (76%) | 140 (71%) | 130 (83%) | 0.01 |
| Smokers (ever) | <0.001 | |||
| Never | 106 (30%) | 33 (17%) | 73 (46%) | |
| Ever | 183 (52%) | 99 (50%) | 84 (53%) | |
| Unknown | 65 (18%) | 65 (33%) | 0 (0%) | |
| Race/ethnicity | <0.001 | |||
| White | 260 (74%) | 117 (59%) | 143 (92%) | |
| Black | 33 (9%) | 25 (13%) | 8 (5%) | |
| Hispanic | 33 (9%) | 33 (17%) | 0 (0%) | |
| Other | 27 (8%) | 22 (11%) | 5 (3%) | |
| Tumor histology | 0.19 | |||
| Adenocarcinoma | 201 (57%) | 104 (53%) | 97 (62%) | |
| Squamous cell | 131 (37%) | 81 (41%) | 50 (32%) | |
| Other | 22 (7%) | 12 (6%) | 10 (6%) | |
| Tumor subsite | 0.05 | |||
| GE junction | 65 (19%) | 41 (21%) | 24 (16%) | |
| Lower esophagus | 182 (52%) | 94 (48%) | 88 (58%) | |
| Mid-esophagus | 71 (20%) | 38 (19%) | 33 (22%) | |
| Upper esophagus | 32 (9%) | 24 (12%) | 8 (5%) | |
| Site of metastasis† | ||||
| Lung | 53 (15%) | 28 (14%) | 25 (16%) | 0.66 |
| Liver | 56 (16%) | 20 (10%) | 36 (23%) | <0.001 |
| Other | 86 (24%) | 32 (16%) | 54 (34%) | <0.001 |
| Stage at diagnosis | ||||
| 1-3 | 330 (93%) | 173 (88%) | 157 (100%) | <0.001 |
| 4 | 24 (7%) | 24 (12%) | 0 (0%) |
*
For comparison between Columbia and Cornell study sites.
†
Some subjects had multiple sites of metastasis.