Table 3 Clinical features of infection, according to H1N1 status: symptoms, signs and laboratory tests upon admission.

Adverse events

Abnormal liver function

4/33 (12%)

2/27 (7.4%)

NS

Nausea, Diarrhea

4.5%

1.5%

NS

Vomiting

1.4%

0.5%

NS

Hypoxemia

7/33 (21.2%)

6/27 (22.2%)

NS

CRP

Mean

5.74

0.26-17.38

(4.75)

12.8

0.14-43.98

(11.56)

0.004

WBC

Mean

7.114

3.340-10.950

(2172.160)

10,528

2.660-23.050

(5506.19)

0.004

Fever

Mean

38.99

36.60-40

(0.79)

38.6

36.50-40.80

(1.01)

0.122

CR

Mean

0.9

0.5-1.30

(0.18)

0.85

0.20-1.60

(0.25)

0.392

UR

Mean

26.5

11-41

(7.9)

32.2

17-72

(11.8)

0.038

Spo₂

Mean

95.3

89-99

(2.7)

95.2

89-100

(2.4)

0.809

PO₂ (FiO₂21%)

Mean

77.54

54-113

(14.6)

74,22

56-108

(13.0)

0.381