Esophageal Cancer
Copyright ©The Author(s) 2003.
World J Gastroenterol. Dec 15, 2003; 9(12): 2654-2657
Published online Dec 15, 2003. doi: 10.3748/wjg.v9.i12.2654
Table 1 Demographic characteristics and mEH Tyr113His polymorphism in ESCC patients and healthy individuals
GroupsControl n (%)ESCC n (%)
Sex
Male147 (58.3)171 (66.5)
Female105 (41.7)86 (33.5)
Age (mean ± SD)49.4 ± 8.5658.5 ± 9.39
Smoking statusa
Ex-or current smoker110 (49.5)130 (52.0)
Non-smoker112 (50.5)120 (48.0)
Family history of UGICb
Positive31 (14.0)104 (44.1)
Negative191 (86.0)132 (55.9)
Genotype
Tyr/Tyr76 (30.2)49 (37.1)
Tyr/His71 (28.2)32 (24.2)
His/His105 (41.6)51 (38.7)
Allele type
T223 (44.2)226 (44.0)
C281 (55.8)288 (56.0)
Table 2 Influence of mEH Tyr113His polymorphism on ESCC development
Tyr/TyrTyr/His + His/HisHis/HisaOR(95%CI)caOR (95%CI)d
Overall
Normal76 (30.2)176 (69.8)105 (41.7)
ESCC84 (32.7)173 (67.3)115 (44.7)0.756 (0.493~1.157)1.076 (0.850~1.361)
Male
Normal44 (30.6)100 (69.4)60 (41.7)
ESCC61 (35.7)110 (64.3)73 (42.7)0.724 (0.427~1.225)1.087 (0.811~1.458)
Female
Normal32 (29.6)76 (70.4)45 (41.7)
ESCC23 (26.8)63 (73.2)42 (48.8)0.825 (0.398~1.710)1.047 (0.704~1.558)
Age ≤ 50
Normal46 (32.6)95 (67.4)60 (42.6)
ESCC19 (33.9)37 (66.1)22 (39.3)0.867 (0.450~1.671)1.064 (0.738~1.534)
Age > 50
Normal30 (27.0)81 (73.0)45 (40.6)
ESCC65 (32.3)136 (67.7)93 (46.3)0.790 (0.472~1.323)1.018 (0.768~1.348)
Nonsmokera
Normal31 (27.7)81 (72.3)49 (43.7)
ESCC34 (28.3)86 (71.7)60 (50.0)0.659 (0.338~1.286)1.135 (0.790~1.631)
Smoker
Normal35 (31.8)75 (68.2)41 (37.3)
ESCC46 (35.4)84 (64.6)52 (40.0)0.901 (0.494~1.644)1.022 (0.728~1.433)
Negative family historyb
Normal59 (30.9)132 (69.1)80 (41.9)
ESCC49 (37.1)83 (62.9)51 (38.7)0.660 (0.385~1.134)1.237 (0.912~1.678)
Positive family history
Normal7 (22.6)24 (77.4)10 (32.2)
ESCC29 (27.9)75 (72.1)52 (50.0)0.638 (0.241~1.689)0.946 (0.546~1.639)