Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jul 28, 2015; 21(28): 8644-8652
Published online Jul 28, 2015. doi: 10.3748/wjg.v21.i28.8644
Table 1 Patients characteristics n (%)
VariableCase
Total1490
Sex
Male1150 (77.2)
Female340 (22.8)
Age (yr)
≤ 58796 (53.4)
> 58694 (46.6)
Tumor location
Upper thoracic181 (12.1)
Middle thoracic831 (55.8)
Lower thoracic478 (32.1)
Pathologic T status
T16 (0.4)
T2373 (25.0)
T31039 (69.7)
T4a72 (4.8)
Pathologic N
N0727 (48.8)
N1419 (28.1)
N2267 (17.9)
N377 (5.2)
Tumor cell differentiation
Well349 (23.4)
Moderate727 (48.8)
Poor414 (27.8)
Surgical approach
Left thoracotomy917 (61.5)
Ivor-Lewis/tri-incisional573 (38.5)
Resected lymph nodes number
≤ 14764 (51.3)
≥ 15726 (48.7)
Received treatment
Surgery alone1171 (78.6)
Combined treatment319 (21.4)