TABLE 4

Modified Marshall scoring system for organ failure

RespiratoryRenalCardiovascular
ScoreaPaO2/FiO2bSerum creatinine (mg/dL)Systolic blood pressure (mm Hg)
0> 400≤ 1.4> 90
1301–4001.5–1.8< 90 and responding to fluid resuscitation
2201–3001.9–3.5< 90 and not responding to fluid resuscitation
3101–2003.6–4.9< 90 with pH < 7.3
4≤ 100≥ 5< 90 with pH < 7.2

  • ↵a A score of 2 or more indicates organ failure. Persistent failure is considered organ failure lasting longer than 48 hours.

  • ↵b Ratio of partial pressure of arterial oxygen to fractional inspired oxygen.

  • Based on information in references 8 and 14.