Table 2

Clinical characteristics of colorectal cancer patients and GSTT2 genotypes


-537 G>A
-277T>C
-158G>A



GG (%)
GA (%)
AA (%)
p1
GA+AA (%)
p2
TT (%)
TC (%)
CC (%)
p1
TC+CC (%)
p2
TT (%)
TC (%)
p2

No. of subjects
127
240
69

309

388
45
3

48

416
20

Age (years ± SD)
59.1 ± 13.2
58.91 ± 13.0
57.9 ± 12.2
0.83
58.7 ± 12.8
0.76
58.6 ± 13.0
60.0 ± 11.7
66.5 ± 2.1
0.56
60.3 ± 11.5
0.41
58.8 ± 13.0
58.2 ± 11.7
0.85
Sex (M/F)















     Male
81 (64.8)
151 (63.4)
44 (63.8)
0.97
195 (63.5)
0.8
247 (64.2)
27 (60.0)
2 (100)
0.49
29 (61.7)
0.74
262 (63.4)
14 (73.7)
0.36
     Female
44 (35.2)
87 (36.6)
25 (36.2)

112 (36.5)

138 (35.8)
18 (40.0)
-

18 (38.3)

151 (36.6)
5 (26.3)

Location















     proxim al
48 (39.3)
84 (35.6)
19 (29.7)
0.43
103 (34.3)
0.33
135 (36.0)
15 (33.3)
1 (50.0)
0.86
16 (34.0)
0.79
141 (35.0)
10 (52.6)
0.18
     distal
74 (60.7)
152 (64.4)
45 (70.3)

197 (65.7)

240 (64.0)
30 (66.7)
1 (50.0)

31 (66.0)

262 (65.0)
9 (47.4)

MSI status















     MSI
17 (13.9)
35 (14.8)
10 (14.5)
0.97
45 (14.8)
0.83
52 (13.6)
10 (23.8)
-
0.17
10 (22.7)
0.1
59 (14.4)
3 (17.6)
0.71
     MSS
105 (86.1)
201 (85.2)
59 (85.5)

260 (85.2)

331 (86.4)
32 (76.2)
2 (100)

34 (77.3)

351 (85.6)
14 (82.4)

T-stage















     T1
-
2 (0.9)
2 (3.1)
0.11
4 (1.3)
0.39
4 (1.1)
-
-
0.95
-
0.74
4 (1.0)
-
0.9
     T2
8 (6.5)
8 (3.4)
2 (3.1)

10 (3.3)

15 (4.0)
3 (6.8)
-

3 (6.5)

17 (4.2)
1 (5.3)

     T3
102 (82.3)
195 (83.0)
56 (86.1)

251 (83.4)

317 (83.6)
34 (77.3)
2 (100)

36 (78.3)

336 (82.8)
17 (89.5)

     T4
14 (11.3)
30 (12.8)
5 (7.7)

35 (11.6)

42 (11.1)
7 (15.9)
-

7 (15.2)

48 (11.8)
1 (5.3)

N-stage















     N0
58 (46.8)
119 (50.4)
35 (53.0)
0.31
154 (51.0)
0.54
189 (49.7)
23 (52.3)
-
0.13
23 (50.0)
0.55
200 (49.1)
12 (63.2)
0.38
     N1
36 (29.0)
75 (31.8)
14 (21.2)

89 (29.5)

114 (30.0)
9 (20.5)
2 (100)

11 (23.9)

122 (30.0)
3 (15.8)

     N2
30 (24.2)
42 (17.8)
17 (25.8)

59 (19.5)

77 (20.3)
12 (27.3)
-

12 (26.1)

85 (20.9)
4 (21.1)

M-stage















     M0
90 (74.4)
182 (78.1)
52 (78.8)
0.69
234 (78.3)
0.39
293 (78.3)
30 (68.2)
1 (50.0)
0.21
31 (67.4)
0.1
311 (77.6)
13 (68.4)
0.35
     M1
31 (25.6)
51 (21.9)
14 (21.2)

65 (21.7)

81 (21.7)
14 (31.8)
1 (50.0)

15 (32.6)

90 (22.4)
6 (31.6)

TNM stage















     I
6 (5.0)
10 (4.3)
3 (4.6)
0.94
13 (4.4)
0.69
16 (4.3)
3 (6.8)
-
0.37
3 (6.5)
0.2
18 (4.5)
1 (5.3)
0.46
     II
42 (34.7)
93 (40.1)
28 (43.1)

121 (40.7)

145 (39.0)
18 (40.9)
-

18 (39.1)

154 (38.6)
9 (47.4)

     III
42 (34.7)
78 (33.6)
20 (30.8)

98 (33.0)

130 (34.9)
9 (20.5)
1 (50.0)

10 (21.7)

137 (34.3)
3 (15.8)

     IV
31 (25.6)
51 (22.0)
14 (21.5)

65 (21.9)

81 (21.8)
14 (31.8)
1 (50.0)

15 (32.6)

90 (22.6)
6 (31.6)


Student's t-test or χ2 test; p1: Co-dominant model; p2: Dominant model

Jang et al. BMC Cancer 2007 7:16   doi:10.1186/1471-2407-7-16