Table 1 Characteristics of esophageal cancer patients grouped by pathologic N status in patients with pathologic complete response of primary tumors
Characteristic | Total n = 100 | ypT0N0 n = 78 | ypT0N1 n = 22 | P-value |
|---|---|---|---|---|
Gender | 0.973 | |||
Male(ref) | 77 (77.0) | 60 (76.9) | 17 (77.3) | |
Female | 23 (23.0) | 18 (23.1) | 5 (22.3) | |
Age(year | 0.746 | |||
<65 | 89 (89.0) | 69 (88.5) | 20 (90.9) | |
≥65 | 11 (11.0) | 9 (11.5) | 2 (9.1) | |
The length(cm) | 0.321 | |||
<6 | 41 (41.0) | 34 (43.6) | 7 (31.8) | |
≥6 | 59 (59.0) | 44 (56.4) | 15 (68.2) | |
The location | 0.323 | |||
Upper | 34 (26.0) | 23 (29.5) | 3 (13.6) | |
Middle | 63 (63.0) | 47 (60.3) | 16 (72.7) | |
Lower | 11 (11.0) | 8 (10.3) | 3 (13.6) | |
Clinical T stagea | 0.729 | |||
T2 | 34 (34.0) | 25 (32.1) | 9 (40.9) | |
T3 | 52 (52.0) | 42 (53.8) | 10 (45.5) | |
T4a | 14 (14.0) | 11 (14.1) | 3 (13.6) | |
Clinical N stagea | 0.461 | |||
N0(ref) | 70 (70.0) | 56 (71.8) | 14 (63.6) | |
N1 | 30 (30.0) | 22 (28.2) | 8 (36.4) | |
Clinical stagea | 0.791 | |||
Stage II | 66 (66.0) | 52 (66.7) | 14 (63.6) | |
Stage III | 34 (34.0) | 26 (33.3) | 8 (36.4) | |
Surgery | 0.521 | |||
Lvor-Lowis ooproperation | 64 (64.0) | 48 (61.5) | 16 (72.7) | |
Mckeown | 36 (36.0) | 30 (38.5) | 6 (27.3) | |
Local recurrences | 0.418 | |||
yes | 17 (17.0) | 12 (12.0) | 5 (22.7) | |
no | 83 (83.0) | 66 (66.0) | 17 (77.3) |