Table 1. Pre-surgical patient, tumor and treatment characteristics.
| Characteristics | All patients (N=134), n (%) | ≤49 years (N=10), n [%] | 50-69 years (N=67), n (%) | ≥70 years (N=57), n (%) | P value |
|---|---|---|---|---|---|
| Mean age (±SD) | 66.4±10.1 | 43.1 | 62.3 | 75.3 | |
| Mean BMI (±SD) (kg/m2) | 27.6±4.8 | 27.6±4.5 | 27.6±5.1 | 27.7±4.6 | 0.98 |
| Sex | 0.99 | ||||
| Male | 106 (79.1) | 8 [80] | 53 (79.1) | 45 (78.9) | |
| Female | 28 (20.9) | 2 [20] | 14 (20.9) | 12 (21.1) | |
| Race | 0.50 | ||||
| Caucasian | 126 (94.0) | 10 [100] | 64 (95.5) | 52 (91.2) | |
| Black | 6 (4.5) | 0 [0] | 3 (4.5) | 3 (5.3) | |
| Other | 2 (1.5) | 0 [0] | 0 (0) | 2 (3.5) | |
| Tumor location | 0.16 | ||||
| Cervical | 1 (0.7) | 0 [0] | 0 (0) | 1 (1.8) | |
| Upper & mid-thoracic | 6 (4.5) | 1 [10] | 5 (7.5) | 0 (0) | |
| Lower thoracic & GE junction | 109 (81.3) | 6 [60] | 53 (79.1) | 50 (87.8) | |
| Unknown | 18 (13.4) | 3 [30] | 9 (13.4) | 6 (10.5) | |
| Tumor histology | 0.56 | ||||
| Adenocarcinoma | 115 (85.8) | 9 [90] | 57 (85.1) | 49 (86.0) | |
| Squamous | 14 (10.4) | 0 [0] | 7 (10.4) | 7 (12.3) | |
| Other | 5 (3.7) | 1 [10] | 3 (4.5) | 1 (1.8) | |
| Median clinical tumor size (range) (cm) | 3.0 (0.1-15.1) | 3.0 (2.0-10.0) | 3.0 (0.7-10.0) | 2.6 (0.1-9.0) | 0.95 |
| Clinical T stage | 0.63 | ||||
| 1 | 38 (28.4) | 2 [20] | 17 (25.3) | 19 (33.3) | |
| 2 | 17 (12.7) | 1 [10] | 9 (13.4) | 7 (12.3) | |
| 3 | 67 (50.0) | 7 [70] | 36 (53.7) | 24 (42.1) | |
| 4 | 1 (0.7) | 0 [0] | 1 (1.5) | 0 (0) | |
| Unknown | 11 (8.2) | 0 [0] | 4 (6.0) | 7 (12.3) | |
| Clinical N stage | 0.19 | ||||
| 0 | 55 (41.0) | 3 [30] | 24 (35.8) | 28 (49.1) | |
| 1 | 56 (41.8) | 6 [60] | 33 (49.3) | 17 (29.8) | |
| 2 | 6 (4.5) | 1 [10] | 3 (4.5) | 2 (3.5) | |
| 3 | 0 (0) | 0 [0] | 0 (0) | 0 (0) | |
| Unknown | 17 (12.7) | 0 [0] | 7 (10.4) | 10 (17.5) | |
| Neoadjuvant treatment | 102 (76.1) | 9 [90] | 56 (83.6) | 37 (64.9) | 0.03* |
*, denotes significant P value; SD, standard deviation; GE, gastroesophageal.