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/H1N124 (43%)16 (94%)<0.001
A/H3N222 (39%)15 (88%)0.001
B/Hong Kong23 (41%)12 (71%)0.051