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 1 Descriptive information of the study population of 1332 esophageal cancer patients at Ocean Road Cancer Institute, Tanzania 2006-2013
n (%)
Age group (n = 1329)
15-34 yr78 (5.9)
35-44 yr141 (10.6)
45-54 yr246 (18.5)
55-64 yr374 (28.1)
65+ yr489 (36.8)
Sex (n = 1332)
Male906 (68.0)
Female426 (32.0)
Year starting treatment at Ocean Road Cancer Institute (n = 1332)
2006135 (10.1)
2007140 (10.5)
2008174 (13.1)
2009202 (15.2)
2010211 (15.8)
2011171 (12.8)
2012139 (10.4)
2013160 (12.0)
Histopathologic diagnosis (n = 626)
Squamous cell carcinoma569 (90.9)
Adenocarcinoma57 (9.1)
Smoking and alcohol history (n = 1332)
Status
Alcohol and smoking396 (29.7)
Alcohol only150 (11.3)
Smoking only137 (10.3)
Neither alcohol nor smoking371 (27.9)
Unknown278 (20.9)
Table 2 Characteristics of esophageal cancer patients at Ocean Road Cancer Institute, Tanzania by histopathologic types n (%)
Squamous cell carcinoma (n = 569)Adenocarcinoma (n = 57)P value
Sex0.7338
Male382 (67.1)37 (64.9)
Female187 (32.9)20 (35.1)
Age group0.1702
15-34 yr34 (6.0)4 (7.0)
35-44 yr64 (11.2)1 (1.8)
45-54 yr111 (19.5)9 (15.8)
55-65 yr139 (24.4)15 (26.3)
65+ yr221 (38.8)28 (49.1)
Treatment0.1349
Radiation170 (29.9)16 (28.1)
Chemotherapy13 (2.3)4 (7.0)
Both263 (46.2)22 (38.6)
None123 (21.6)15 (26.3)
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)