Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastrointest Oncol. Mar 15, 2016; 8(3): 314-320
Published online Mar 15, 2016. doi: 10.4251/wjgo.v8.i3.314
Table 3 Difference in proportion of histopathologic type, sex, and age group between different incident groups in Tanzania n (%)
Group 1Group 2Group 3Group 4Group 5P value
Histology0.1269
Squamous cell carcinoma276 (92.0)54 (98.2)90 (89.1)39 (90.7)110 (86.6)
Adenocarcinoma24 (8.0)1 (1.8)11 (10.9)4 (9.3)17 (13.4)
Sex0.1233
Males425 (65.6)75 (64.7)159 (73.6)71 (66.4)176 (71.8)
Females223 (34.4)41 (35.3)57 (26.4)36 (33.6)69 (28.2)
Age group0.1441
15-34 yr41 (6.3)6 (5.2)13 (6.0)5 (4.7)14 (5.7)
35-44 yr65 (10.0)12 (10.4)28 (13.0)13 (12.1)23 (9.4)
45-54 yr110 (17.0)16 (13.9)46 (21.3)33 (30.8)41 (16.8)
55-64 yr196 (30.3)34 (29.6)57 (26.4)20 (18.7)67 (27.5)
65+ yr235 (36.3)47 (40.9)72 (33.3)36 (33.6)99 (40.6)