Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 14, 2015; 21(6): 1851-1856
Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1851
Table 3 Comparison between tumor regression grades and demographic and clinic variables n (%)
ParameterTRG1 + 2TRG3 + 4 + 5P value
Sex
Male17 (70.8)101 (60.8)0.379
Female7 (29.2)65 (39.2)Fisher's Test
Age (yr)
< 6515 (62.5)114 (68.7)0.284
≥ 659 (37.5)52 (32.3)Fisher's Test
Tumor height (cm)
< 610 (41.7)104 (62.7)0.0501
≥ 614 (58.3)62 (27.3)χ2 =3.847
Clinical stage
II5 (20.8)25 (15.1)0.547
III19 (79.2)141 (84.9)Fisher's Test
Surgical procedure
LAR20 (83.3)107 (64.5)0.173
APR + other4 (16.7)59 (35.5)Fisher's Test
Pathological N-stage
ypN018 (75.0)85 (51.2)0.0311
ypN16 (25.0)81 (48.8)Fisher's Test
Pathological T-stage
ypT0-218 (75.0)47 (28.3)0.0001
ypT3-46 (25.0)119 (71.7)Fisher's Test