Esophageal Cancer
Copyright ©The Author(s) 2002.
World J Gastroenterol. Jun 15, 2002; 8(3): 418-422
Published online Jun 15, 2002. doi: 10.3748/wjg.v8.i3.418
Table 3 Results of blocking treatment of SEED I and SEED II cases by ZSP and PLACEBO after three years of medication
GroupNo. subjectsNo. EC DiagnosedIncidence Rates (%)Block Rates (%)
SEED ITreatment1206201.66
Control1973492.48
Total3179692.1733.06
SEED IITreatment27982.87
Control587539.03
Total866617.0468.22