Table 3
Efficacy of influenza vaccination: seroconversions or fourfold titre rises
SLE (n = 56)
Healthy controls (n = 17)
p Value
Fisher’s exact test was used for all variables.
SLE, systemic lupus erythematosus.
A/H1N1
24 (43%)
16 (94%)
<0.001
A/H3N2
22 (39%)
15 (88%)
0.001
B/Hong Kong
23 (41%)
12 (71%)
0.051