Table 6

 Influence of immunosuppressive drug treatment on vaccination efficacy: seroconversions or fourfold titre rises

No drug treatment (n = 12)Hydroxychloroquine (n = 17)Azathioprine (n = 13)Prednisone (n = 14)p Value
Fisher’s exact test was used for all variables.
A/H1N17 (58%)7 (41%)4 (31%)6 (43%)0.619
A/H3N27 (58%)8 (47%)1 (8%)6 (43%)0.041
B/Hong Kong7 (58%)8 (47%)3 (23%)5 (36%)0.316