TABLE 1.

Baseline characteristics of patients with suspected influenza and novel influenza A (H1N1)

CharacteristicNo. (%) of patients with:
Suspected influenza (n = 264)Novel influenza A (H1N1) (n = 115)
Median age, yr (interquartile range)38 (21.5-67.5)31 (17-47)
Age group, yr
    0-1445 (17)24 (20.9)
    15-2434 (12.9)23 (20.0)
    25-4464 (24.2)35 (30.4)
    ≥45114 (43.2)33 (28.7)
Male135 (51.1)55 (47.8)
Female129 (48.9)60 (52.2)
Pregnant women4 (1.5)1 (0.9)
Clinical presentation
    Influenza-like illness158 (59.8)88 (76.5)
    Pneumonia49 (18.6)7 (6.1)
Site of management
    Outpatient180 (68.2)95 (82.6)
    Admitted to hospital84 (31.8)20 (17.4)