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