Table 1 Characteristics of the patients in comparative groups: surviving vs non-surviving, ARDS vs non-ARDS

Age, mean (SD)

35.8 (11)

54 (20)

38 (14)

50 (21)

Male sex^a

9 (53)

4 (31)

10 (62.5)

3 (21)

CURB-65

2 (1.45-2.20)

1 (0.89-2.34)

.48

2 (1.49-2.51)

1 (0.94-1.92)

.076

PSI class

3 (2.72-3.98)

2 (2.15-3.85)

.45

4 (2.72-4.28)

2.5 (2.26-3.45)

.224

APACHE II score

11 (10.18-15)

12 (7.54-13.39)

.36

11.5 (9.66 - 15.47)

11.5 (8.42-12.87)

.400

SOFA score

5

(4.69-7.19)

3

(2.11-4.97)

.003

5.5

(4.91-7.71)

3

(2.37-4.20)

.001

Mortality^a

13 (76)

3 (23)

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Renal failure^a

2 (11)

0 (0)

2 (12)

0 (0)

Shock^a

4 (23)

2 (15)

6 (37)

0 (0)

Respiratory failure^a

------------

-------------

13 (81)

4 (28.5)

Microbiological etiology, n (%)

H1N1 S-OIV 2009^a

10 (59)

4 (31)

8 (50)

6 (43)

Seasonal Influenza^a

2 (12)

0 (0)

2 (12.5)

0 (0)

Others^a

5 (29)

9 (69)

6 (37.5)

8 (57)