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Table 1 TD frequency and vaccine efficacy (VE) according to destination, age, and trip duration, in vaccinated and non-vaccinated subjects.

From: Effectiveness and economic analysis of the whole cell/recombinant B subunit (WC/rbs) inactivated oral cholera vaccine in the prevention of traveller's diarrhoea

  Vaccinated Non-vaccinated   
  N TD (%) N TD % p value VE (%)
Destination       
Africa 100 16.0 90 32.2 0.009 50.3
C and S America 27 29.6 38 36.8 0.545 19.6
South East Asia 44 27.3 63 42.9 0.099 36.4
Age (years)       
< 30 54 24.1 50 54.0 0.002 55.4
30–45 77 24.7 99 31.3 0.212 21.2
> 45 40 10.0 42 28.6 0.031 65.0
Trip duration (Weeks)       
< 3 83 16.9 124 33.1 0.010 49.0
≥ 3 88 25.0 67 43.3 0.016 42.2