Table 4 Primary and secondary end point in the two studied groups

Primary end point

 Survival n (%)

Inhospital mortality n (%)

23 (57.5)

17 (42.5)

32 (80)

8 (20)

0.03

Secondary end point

 a. Duration of hospital stay

  Total duration

19.5^a (10–41)

15^a (7–38)

0.04

    < 14 days

12 (30%)

18 (45%)

0.09

    > 14–28

20 (50%)

20 (50%)

    > 28

8 (20%)

2 (5%)

 b. Need for invasive ventilation n (%)

34 (85)

24 (60)

0.01