From: Colorectal adenocarcinoma in Uganda: are right-sided and left-sided colon cancers two distinct disease entities?
Male
Female
p-value
 < 40
40 (20)
35 (17.2)
0.463
40–49
43 (21.5)
38 (18.6)
0.471
50–59
46 (23.0)
34 (16.7)
0.110
60–69
48 (24.0)
40 (19.6)
0.285
70–79
15 (7.5)
45 (22.1)
 < 0.001
80 + 
8 (4.0)
12 (5.9)
0.384