Gastric Cancer
Copyright ©The Author(s) 2003.
World J Gastroenterol. Mar 15, 2003; 9(3): 432-436
Published online Mar 15, 2003. doi: 10.3748/wjg.v9.i3.432
Table 4 PYLL and its RR
Total person-yearPYLLPYLL ( ‰ )RRRR 95%CIAR%
Control877572723.10
Intervention1031912232.160.67780.5604-0.819830.32