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Table 4 Clinical and laboratory findings of adults patients (> 16 y) with and without pneumonia (n = 156)

From: Pandemic 2009 H1N1 virus infection in children and adults: A cohort study at a single hospital throughout the epidemic

Group No Pneumonia
(n = 120)
Pneumonia
(n = 36)
P
Clinical characteristics    
   Mean age (y) 35 ± 17 48 ± 22 0.002
   Male/Female 53/67 11/25 NS
   Duration of fever (d)    
Before admission 1.8 ± 1.2 2.1 ± 1.5 NS
Total 3.2 ± 2.9 3.9 ± 2.3 NS
   Hospitalization (d) 5.2 ± 2.9 7.9 ± 3.8 < 0.001
   Oseltamivir, < 48 h* 103 (86.7) 29 (80.6) NS
Laboratory findings    
   Haemoglobin (g/dL) 13.4 ± 2.0 12.5 ± 2.1 0.02
   Leukocyte (×109//L) 6.2 ± 2.4 7.9 ± 3.5 0.009
Neutrophil (%) 64 ± 15 76 ± 12 < 0.001
Lymphocyte (%) 24 ± 14 16 ± 9 < 0.001
Monocyte (%) 10 ± 4 7 ± 4 0.001
   Platelet (×109/L) 205 ± 50 201 ± 69 NS
   CRP (mg/dL) 2.3 ± 4.0 6.6 ± 6.5 0.001
   ESR (mm/h) 22 ± 19 35 ± 22 0.001
  1. a Number (%) of patients who received oseltamivir treatment within 48 h of fever onset