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Table 2 Quality score of included studies.

From: Evaluation of SOFA-based models for predicting mortality in the ICU: A systematic review

  Study participation max 8 pts Prognostic factor max 3 pts Outcome measurement max 1 pt Analysis max 8 pts Total score max 20 pts
Toma et al (2008) [9] 8 3 1 7.5 19
Toma et al (2007) [8] 8 2.5 1 8 19.5
Khwannimit (2007) [10] 8 1 1 3.5 13.5
Ho (2007) [4] 8 3 1 7 19
Ho et al (2007) [11] 8 2 1 5 16
Rivera-Fernández et al (2007) [5] 7 1 1 7.5 16.5
Holtfreter et al (2006) [12] 8 1.5 1 5 15.5
Gosling et al (2006) [13] 8 1.5 1 4 14.5
Zygun et al (2005) [14] 8 2 1 5.5 16.5
Cabré et al (2005) [6] 8 2 1 4 15
Kajdacsy-Balla Amaral et al (2005) [7] 8 3 1 5 17
Timsit et al (2002) [15] 8 2.5 1 7.5 19
Bota et al (2002) [16] 7.5 1 0 3 11.5
Pettilä et al (2002) [17] 8 1 1 7.5 17.5
Junger et al (2002) [18] 7 2 1 3 13
Ferreira et al (2001) [19] 8 2.5 1 3 14.5
Janssens et al (2000) [20] 8 2 1 3.5 14.5
Moreno et al (1999) [21] 8 2.5 1 3.5 15
  1. max = maximum score (criteria for quality assessment are based on a 20 item list [see Additional data file 1]).