Table 1

 Sex, age, country of residence, country of birth of the child and the mother, year and results of antibiotic susceptibility testing (n = 1233)

FactorsDescriptionAll patients(n = 1233)Group A before treatment(n = 1037)Group B after treatment failed(n = 196)
Sex, n = 1197Male55946594
Female63854296
Age (years), n = 1232<616213725
6–1153144883
⩾1253945287
Country of residence, n = 1024Northern Europe43349
Southern Europe22219230
Eastern Europe1078819
Western Europe861723138
Country of birth, n = 1108Northern Europe29227
Southern Europe22419628
Eastern Europe17213933
Western Europe52142695
Asia, Africa, America and Middle East16214715
Mother’s country of birth, n = 1070Northern Europe15132
Southern Europe21418727
Eastern Europe18715037
Western Europe21218329
Asia, Africa, America and Middle East44236577
Diagnostic year, n = 1233199937131655
200029825543
200129924554
200226522144
Peptic ulcer, n = 1180No1100930170
Yes806812
Metronidazole resistance, n = 1216Susceptible916791125
Resistant30023367
Clarithromycin resistance, n = 1181Susceptible903792111
Resistant27819979
Amoxicillin resistance, n = 1094Susceptible1087923164
Resistant761
Metronidazole and clarithromycin resistance, n = 1181Metro and clari susceptible1099939160
Metro and clari resistant825329
Metro, Clari and Amox resistance, n = 1146Metro/clari and amox susceptible64757968
Only metro resistant21617937
Only clari resistant19614650
Only amox resistant330
Metro and clari resistant805129
Metro and amox resistant211
Clari and amox resistant000
Metro and clari and amox resistant220