Table 2

 Efficacy of influenza vaccination: geometric mean titres to influenza

GMT to A/H1N1GMT to A/H1N1GMT to A/H3N2GMT to A/H3N2GMT to B/Hong Kong beforeGMT to B/Hong Kong after
before vaccinationafter vaccinationbefore vaccinationafter vaccinationvaccinationvaccination
The Mann–Whitney U test was used for all variables.
GMT, geometric mean titre; SLE, systemic lupus erythematosus.
SLE (n = 56)32.414250.018316.264.0
Healthy controls (n = 17)6.93**13021.7*2725.65**49.0