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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