Table 4

Adverse events of influenza A (H1N1) 2009 vaccination in autoimmune rheumatic disease (ARD) and control patients

ARD (n=1668)Control (n=234)p Value
Local reactions139 (8.3)33 (14.1)0.007
 Pain105 (6)31 (13)0.0004
 Redness14 (0.8)6 (2.6)0.03
 Swelling40 (2.3)11 (4.7)0.05
 Itching33 (2)1 (0.4)0.11
Systemic reactions411 (24.6)60 (25.6)0.75
 Arthralgia150 (9)9 (3.8)0.005
 Fever66 (3.9)3 (1.2)0.04
 Headache207 (12.4)34 (14.5)0.35
 Myalgia188 (11.3)22 (9.4)0.44
 Sore throat79 (4.7)20 (8.5)0.02
 Cough104 (6.2)13 (5.6)0.77
 Diarrhoea67 (4)15 (6.4)0.12
 Rhinorrhoea105 (6)16 (6.8)0.77
 Nasal congestion113 (6.8)14 (6)0.78
  • Data are expressed in N (%).