Table 3 Quality assessment of studies included in review of mortality in polytrauma patients admitted to the ICU

Lauwers et al. [12]

2

2

0

2

1^a

2

9

Hervé et al. [25]

1

2

0

2

1

2

8

Kivioja [26]

2

2

1^b

2

2

2

11

Goins et al. [27]

2

2

2

2

2

2

12

Regel et al. [13]

2

2

2^d

2

1^a

2

11

Regel et al. [36]

2

1

1

2

2

1

9

Aufmkolk et al. [14]

2

2

0

2

2

2

10

Dereeper et al. [15]

2

2

0

2

2

2

10

Hadfield et al. [16]

2

2

0

2

2

2

10

Pape et al. [43]

2

2

2

2

2

2

12

Rixen et al. [39]

2

1

2

2

2

2

11

Nast-Kolb et al. [17]

2

2

1^b

2

2

2

11

Stiletto et al. [38]

2

2

2

1

2

2

11

Ruiz et al. [41]

2

2

2

2

2

2

12

Ruscelli et al. [42]

2

2

2

2

2

2

12

Ciesla et al. [19]

2

2

2

2

2

2

12

Dresing et al. [56]

2

2

2

2

1

2

11

Probst et al. [28]

2

2

1^b

2

2

2

11

Wafaisade et al. [29]

2

2

2^d

2

2

2

12

Zhang et al. [20]

2

2

0

2

1^a

2

9

Dewar et al. [30]

2

2

2

2

2

2

12

Chen et al. [21]

2

2

0^c

2

1^a

2

9

Di Saverio et al. [22]

2

2

2^d

2

2

2

12

Fröhlich et al. [31]

2

2

2^d

2

2

2

12

Dehne et al. [34]

2

0

0

0

2

2

6

Freitas and Franzon [40]

2

2

0

1

2

2

9

Mazandarani et al. [37]

2

2

2

0

2

2

10

Brilej et al. [33]

2

2

2

2

2

2

12

Van Wessem and Leenen et al. [23]

2

2

2

2

2

2

12

Van Wessem and Leenen [32]

2

2

2

2

2

2

12