Table 1.

Summary of the 16 statements

Statements	Consensus level (%)
Section 1: Helicobacter pylori infection and transmission among family members in the household
Statement 1: H. pylori is a bacterial pathogen that is transmissible from person to person and especially among family members.	94.7
Statement 2: H. pylori is transmitted by oral route, and intrafamilial transmission is one of the major sources of infection.	94.3
Statement 3: Family members infected by H. pylori are potential sources of infection and have the possibility for continued transmission.	92.1
Statement 4: Most H. pylori infections occur during childhood and adolescents but can also be acquired in adulthood.	84.2
Statement 5: For all H. pylori-infected adult family members in a household, eradication should be considered.	81.5
Section 2: Prevention and management of H. pylori infection in children and elderly people within the household
Statement 6: The relationship between H. pylori infection and gastric mucosal precancerous lesions in children and adolescents needs further investigation.	86.6
Statement 7: H. pylori infection in children needs to be managed based on risk–benefit assessment and related disease status.	89.4
Statement 8: For elderly members of the family, strategies for treating H. pylori infection should be formatted based on individual conditions.	97.3
Section 3: Strategies for prevention and management of H. pylori infection among family members
Statement 9: ‘Family-based H. pylori infection control and management’ is an important strategy to prevent intrafamilial transmission and infection.	86.8
Statement 10: Concurrent treatment of H. pylori-infected family members is helpful to reduce the chance of reinfection after its eradication.	81.5
Statement 11: For patients with gastric cancer or gastric mucosal precancerous lesions, H. pylori infection should be screened and treated for their family members living in the same household.	84.2
Statement 12: The treatment regimens proposed by the ‘Fifth National Consensus Report on the Management of H. pylori Infection’ are suitable for H. pylori eradication among family members.	94.7
Statement 13: The concept of ‘eradicating H. pylori at the first-time treatment’ is applicable in the management of H. pylori infection among family members.	94.7
Statement 14: Urea breath tests, serum antibody tests and stool antigen tests are suitable methods to detect H. pylori infection among family members.	92.1
Statement 15: Family-based H. pylori infection control and management is an essential part of comprehensive H. pylori infection prevention and control strategies at the general public and community levels.	92.1
Statement 16: While an H. pylori vaccine is not available, preventing new infections and eradicating existing infections are both effective approaches for infection prevention and control	89.7