Colorectal Cancer
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 28, 2006; 12(12): 1849-1858
Published online Mar 28, 2006. doi: 10.3748/wjg.v12.i12.1849
Table 1 Patient characteristics
Adjuvant radiochemotherapy n (%)Neoadjuvant radiochemotherapy n (%)All n (%)
Gender
Female148 (63.5)38 (71.7)186 (65.0)
Male85 (36.5)15 (28.3)100 (35.0)
Age
≤Median age of 62 yr134 (57.5)32 (60.4)166 (58.0)
> Median age of 62 yr99 (42.5)21 (39.6)120 (42.0)
Tumor location
Upper third35 (15.1)0 (0.0)35 (12.2)
Middle third100 (42.9)23 (43.4)123 (43.0)
Lower third87 (37.3)25 (47.2)112 (39.2)
Not known11 (4.7)5 (9.4)16 (5.6)
Surgical Resection
Anterior (LAR)133 (56.8)13 (24.6)146 (51.0)
Abdominoperineal (APR)100 (43.2)40 (75.4)140 (49.0)
R status
R0197 (84.5)37 (69.8)234 (81.8)
R117 (7.3)5 (9.4)22 (7.7)
R24 (1.8)2 (3.8)6 (2.1)
not known15 (6.4)9 (17.0)24 (8.4)
Stage
II75 (32.2)17 (32.1)92 (32.2)
III158 (67.8)36 (67.9)194 (67.8)
N stage
N074 (31.8)17 (32.1)91 (31.8)
N181 (34.8)27 (50.9)108 (37.8)
N278 (33.4)9 (17.0)87 (30.4)
Grading
G I11 (4.7)9 (17.0)20 (7.0)
G II161 (69.1)29 (54.7)190 (66.5)
G III44 (18.9)9 (17.0)53 (18.5)
Not known17 (7.3)6 (11.3)23 (8.0)
CEA
< 3 ng/mL102 (43.8)16 (30.2)118 (41.3)
≥ 3 ng/mL102 (43.8)16 (30.2)118 (41.3)
Not known29 (12.4)21 (39.6)50 (17.4)
RTOG
RTOG 096 (41.2)30 (56.6)126 (44.1)
RTOG I75 (32.2)14 (26.4)89 (31.1)
RTOG II46 (19.7)9 (17.0)55 (19.2)
RTOG III13 (5.6)0 (0.0)13 (4.6)
RTOG IV3 (1.3)0 (0.0)3 (1.0)
RTOG V0 (0.0)0 (0.0)0 (0.0)