Table 3 Subgroup analysis of the validation cohort excluding cases with evidence of organ failure within first 24 h of hospitalisation
BISAP scorenā€Š=ā€Š16503
Number of casesObserved mortality
047960.1%
172870.4%
233071.6%
39163.6%
41767.4%
5219.5%
  • Overall and pairwise Ļ‡2 p<0.001.

  • BISAP, blood urea nitrogen, impaired mental status, systemic inflammatory response syndrome, age and pleural effusion.