Table 4.

Prognostic score assessment and distribution among patients

	Complications				p-value	Major complications				p-value	Mortality				p-value
	No		Complicated			None		Complicated			Alive		Dead
	N/mean	%/(SD)	N/mean	%/(SD)		N/mean	%/(SD)	N/mean	%/(SD)		N/mean	%/(SD)	N/mean	%/(SD)
ASA score
Mean	2.59	0.70	2.84	0.74	0.024	2.62	0.69	3.08	1.00	0.024	2.61	0.69	3.57	0.98	< 0.001
ASA score
1	11	91.7%	1	8.3%	0.105	12	100.0%	0	0.0%	< 0.001	12	100.0%	0	0.0%	< 0.001
2	72	81.8%	16	18.2%		84	95.5%	4	4.5%		85	98.8%	1	1.2%
3	102	77.3%	30	22.7%		128	97.0%	4	3.0%		126	98.4%	2	1.6%
4	13	65.0%	7	35.0%		17	85.0%	3	15.0%		16	84.2%	3	15.8%
5	0	0.0%	1	100.0%		0	0.0%	1	100.0%		0	0.0%	1	100.0%
ASA score
< 3	89	84.0%	17	16.0%	0.089	102	96.2%	4	3.8%	0.584	103	99.0%	1	1.0%	0.141
≥ 3	115	75.2%	38	24.8%		145	94.8%	8	5.2%		142	95.9%	6	4.1%
CHARLSON
Mean	4.78	2.05	5.76	2.76	0.004	4.91	2.11	6.67	3.98	0.008	4.92	2.11	8.86	3.85	< 0.001
Charlson comorbidity index
< 6	146	83.0%	30	17.0%	0.016	171	97.2%	5	2.8%	0.046	169	100.0%	0	0.0%	< 0,001
≥ 6	58	69.9%	25	30.1%		76	91.6%	7	8.4%		76	91.6%	7	8.4%
Charlson comorbidity index
1–2-Jan	60	84.5%	11	15.5%	0.153	69	97.2%	2	2.8%	< 0.001	67	100.0%	0	0.0%	< 0.001
4–5-Apr	86	81.9%	19	18.1%		102	97.1%	3	2.9%		102	100.0%	0	0.0%
6–7-Jun	34	73.9%	12	26.1%		43	93.5%	3	6.5%		43	93.5%	3	6.5%
8–9-Aug	19	67.9%	9	32.1%		26	92.9%	2	7.1%		26	92.9%	2	7.1%
10–11-Oct	3	60.0%	2	40.0%		4	80.0%	1	20.0%		4	80.0%	1	20.0%
12–13-Dec	1	50.0%	1	50.0%		2	100.0%	0	0.0%		2	100.0%	0	0.0%
14–15	1	100.0%	0	0.0%		1	100.0%	0	0.0%		1	100.0%	0	0.0%
16–17	0	0.0%	1	100.0%		0	0.0%	1	100.0%		0	0.0%	1	100.0%
LOS	4.30	3.25	8.38	4.88	< 0.001	4.93	3.63	10.00	7.54	< 0.001	5.00	3.80	11.57	7.18	< 0.001
Predicted mortality risk (PPOSSUM) (mean)											7.18	10.91	30.70	33.30	< 0.001
Predicted morbidity risk (PPOSSUM) (mean)	46.97	22.41	64.43	25.41	< 0.001	49.98	23.85	64.96	26.01	0.035
Predicted mortality risk (CR-POSSUM) (mean)											6.63	7.00	17.07	13.74	< 0.001