Characteristic Frequencies
Seasonal (n=149)a Pandemic (n=88)a p Seasonal/Pandemic
Cardiopathy
Yes 16 (13.7%) 6 (7.5%) p=0.177
No 101 (86.3%) 74 (92.5%)  
Pneumopathy
Yes 14 (11.2%) 11 (13.6%) p=0.737
No 103 (88.8%) 70 (86.4%)  
Renal
Yes 2 (1.6%) 0 p=0.238
No 114 (91.9%) 80 (100%)  
Immunosuppression
Yes 4 (3.4%) 5 (6.2%) p=0.350
No 113 (96.6%) 75 (93.8%)  
Smoking habit
Yes 12 (10.2%) 8 (10.0%) p=0.969
No 106 (89.8%) 72 (90.0%)  
Metabolic disease
Yes 8 (6.7%) 2 (2.5%) p=0.181
No 111 (93.3%) 78 (97.5%)  
Hemoglobinopathy
Yes 3 (2.6%) 0 (0%) p=0.149
No 114 (97.4%) 80 (100%)  
Death
Yes 0 11 (12.9%) *p=0.001
No 120 (100%) 74 (87.1%)  
aNot all characteristics were available for all patients
*Statistically significant by Chi-Square Test
Table 3: Frequencies of clinical conditions and disease evolution in patients infected by pandemic and seasonal influenza A virus.
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