From: Global changes in mortality rates in polytrauma patients admitted to the ICU—a systematic review
| Author | Clearly stated aim | Consecutive patients | Prospective data collection | Selection bias | Detection bias | Reporting bias | Total score |
|---|---|---|---|---|---|---|---|
| Lauwers et al. [12] | 2 | 2 | 0 | 2 | 1a | 2 | 9 |
| Hervé et al. [25] | 1 | 2 | 0 | 2 | 1 | 2 | 8 |
| Kivioja [26] | 2 | 2 | 1b | 2 | 2 | 2 | 11 |
| Goins et al. [27] | 2 | 2 | 2 | 2 | 2 | 2 | 12 |
| Regel et al. [13] | 2 | 2 | 2d | 2 | 1a | 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 | 1b | 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 | 1b | 2 | 2 | 2 | 11 |
| Wafaisade et al. [29] | 2 | 2 | 2d | 2 | 2 | 2 | 12 |
| Zhang et al. [20] | 2 | 2 | 0 | 2 | 1a | 2 | 9 |
| Dewar et al. [30] | 2 | 2 | 2 | 2 | 2 | 2 | 12 |
| Chen et al. [21] | 2 | 2 | 0c | 2 | 1a | 2 | 9 |
| Di Saverio et al. [22] | 2 | 2 | 2d | 2 | 2 | 2 | 12 |
| Fröhlich et al. [31] | 2 | 2 | 2d | 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 |