Comparative analysis of APACHE-II and P-POSSUM scoring systems in predicting postoperative mortality in patients undergoing emergency laparotomy

Table 2 Discriminating ability of P-POSSUM

P-POSSUM	Survived		Mortality		P value
	Frequency	%	Frequency	%
< 63	133	99.3	2	8.7	< 0.001
> 63	1	0.7	21	91.3
Total	134	100	23	100

P-POSSUM: Physiological and operative severity for the enumeration of mortality and morbidity.