Table 1.

Preoperative risk assessment

Patient (n = 24)	Age	Gender	LOS (days)	Systolic blood pressure	Pulse rate	pH	C‐Reactive protein (CRP)	Mannheim Peritonitis Index score	Mortality prediction rate %	WSES score	P‐POSSUM mortality %	Possum morbidity %	NELA mortality%
	46	F	9	137	91	7.4	4	9	20	0	1.7	37.8	0.4
	55	F	6	85	68	7.39	22.4	18	13	7	7.1	74.3	9.3
	74	F	9	138	95	7.38	320	10	20	5	14.3	88.2	2.9
	83	F	10	157	94	7.28	61	10	20	5	9	73.9	3.3
	57	F	6	133	53	7.4	4	10	20	0	0.8	20.4	1.2
	31	M	8	118	98	7.29	71	10	20	3	2.3	48.5	0.5
	37	M	8	148	85	7.41	4	0	0	0	2.1	40.1	0.2
	78	M	10	167	95	7.33	22	5	0	2	4.7	60.6	6.6
	44	M	220	135	63	7.43	111	0	0	5	2	43	0.2
	56	F	41	131	81	7.41	8	24	26	0	2	42.3	0.7
	86	F	11	112	87	7.43	8	20	13	5	48.9	97	16.8
	75	M	19	130	50	7.43	510	5	0	7	10.6	84.4	5.1
	84	F	13	148	108	7.39	90	10	20	5	4.1	56	6.2
	67	F	8	116	80	7.37	16.9	10	20	0	1.1	26.1	1.4
	32	M	10	149	110	7.34	26	16	13	3	13.6	89.4	2.5
	70	F	6	135	81	7.4	10.5	10	20	2	1.8	36.4	1.3
	71	F	12	186	90	7.4	8.12	10	20	5	6.3	69.2	5.2
	83	M	36	154	76	7.49	23	5	0	5	10	78.9	9.4
	77	F	9	166	108	7.45	411	10	20	2	8.6	76.1	3
	84	F	11	140	98	7.3	343	27	26	9	26	92.4	46.9
	69	F	11	130	78	7.3	147	14	13	10	14.5	87.9	28.7
	81	F	33	134	73	7.39	431	20	13	9	8.3	77.2	5.3
	78	M	23	140	76	7.48	5.9	27	26	6	7.1	74.3	10.3
	79	F	14	134	65	7.44	411	20	13	10	10	78.9	11.7
Median (Range)	72.5 (31–86)		10.5 (6–220)	136 (85–186)	83 (50–110)	7.4 (7.28–7.49)	66 (4–510)	10 (0–27)	20 (0–26)	5 (0–10)	7.1 (0.8–48.9)	74.1 (20.4–97)	4.2 (0.2–46.9)

Note: Patients 20–24 died.