Table 1 The comparison of the clinicopathological characteristics of patients in S-MPESCC and SESCC groups
Variables | S-MPESCC | SESCC | P |
|---|---|---|---|
(n = 50) | (n = 517) | ||
Age, n (%) | Â | Â | 0.906 |
 < 60 | 22(44.0%) | 223(43.1%) |  |
 ≥ 60 | 28(56.0%) | 294(56.9%) |  |
Smoking, n (%) | Â | Â | 0.520 |
 No | 13(26.0%) | 157(30.4%) |  |
 Yes | 37(74.0%) | 360(69.6%) |  |
Tobacco (Brinkman index) | 400 | 400 | 0.984 |
Drinking Alcohol, n (%) | Â | Â | 0.144 |
 No | 14(28.0%) | 199(38.5%) |  |
 Yes | 36(72.0%) | 318(61.5%) |  |
Total alcohol consumption, drinks | 416.7 | 250 | 0.029 |
Location of primary cancer, n (%) | Â | Â | 0.346 |
 Upper | 3(6.0%) | 60(11.6%) |  |
 Middle | 32(64.0%) | 336(65.0%) |  |
 Lower | 15(30.0%) | 121(23.4%) |  |
Operation, n (%) | Â | Â | 0.249 |
 Ivor-Lewis | 8(16.0%) | 55(10.6%) |  |
 Mckeown | 42(84.0%) | 462(89.4%) |  |
Length of primary cancer, n (%) | Â | Â | 0.829 |
 < 3.75 cm | 29(58.0%) | 308(59.6%) |  |
 ≥ 3.75 cm | 21(42.0%) | 209(40.4%) |  |
pT stage of primary cancer, n (%) | Â | Â | 0.701 |
 T1 | 12(24.0%) | 90(17.4%) |  |
 T2 | 9(18.0%) | 111(21.5%) |  |
 T3 | 15(30.0%) | 160(30.9%) |  |
 T4 | 14(28.0%) | 156(30.2%) |  |
pTNM stage of primary cancer, n (%) | Â | Â | 0.071 |
 I | 10(20.0%) | 72(13.9%) |  |
 II | 8(16.0%) | 163(31.5) |  |
 III | 29(58.0%) | 263(50.9%) |  |
 IV | 3(6.0%) | 19(3.7%) |  |
LNM, n (%) | Â | Â | 0.015 |
 Absent | 19(38.0%) | 289(55.9%) |  |
 Present | 31(62.0%) | 228(44.1%) |  |
pN stage, n (%) | Â | Â | 0.049 |
 N0 | 19(38.0%) | 289(55.9%) |  |
 N1 | 16(32.0%) | 138(26.7%) |  |
 N2 | 12(24.0%) | 71(13.7%) |  |
 N3 | 3(6.0%) | 19(3.7%) |  |
Dissection number of lymph nodes, n (%) | Â | Â | 0.899 |
 < 24 | 27(54.0%) | 284(54.9%) |  |
 ≥ 24 | 23(46.0%) | 233(45.1%) |  |