Table 3 Characteristics of included studies-ICU-LOS/Ventilation time/Hospital-LOS

Huber-Wagner et al [19]

12.7 (14.7)*

11 (13.3)*

0.001

8.1 (12.4)*

7.1 (11.1)*

0.001

26.7 (27.5)*

26 (28.4)*

0.001

Sierink et al [38]

2 (0-6)†

1 (0-5)†

0.022

1 (0-3)†

0 (0-13)†

0.134

9 (3-25)†

8.5 (1-22.8)†

0.358

Weninger et al [39]

13.6 (14.3)*

16.8 (18.7)*

0.042

10.9 (15.3)*

14.3 (15.9)*

0.042

29 (29.4)*

32.5 (33.3)*

0.046

Wurmb et al [20]

8 (2-19)†

5 (1-14)†

0.157

5 (1-15)†

3 (1-12)†

0.107

NA

NA

NA

Hutter et al [21]

16.2 (17.3)*

16.2 (17)*

0.05

NA

NA

NA

NA

NA

NA

Mao et al [43]

10.1 (9.07)*

13.81 (10.3)*

0.044

6.85 (7.2)*

10.45 (10.98)*

0.047

NA

NA

NA