Surgical Quality in Rectal Cancer Management: What Can Be Achieved by a Voluntary Observational Study?

Table 3

Changes between 2000 and 2012 of mortality and morbidity and histopathological parameters.

Year	CRM n/a (%)	CRM (+) (%)	pTx (%)	pNx (%)	IntraOP (%)	Surgical (%)	General (%)	Lethality (%)
2000	6.5	6.3	0.6	1.1	8.4	27.4	26.1	2.2
2001	4.0	3.9	0.7	0.9	9.3	28.8	25.3	2.2
2002	3.2	3.7	1.0	1.4	8.9	27.5	28.0	2.9
2003	3.4	3.0	1.5	1.8	6.0	23.2	23.7	3.8
2004	3.4	3.1	1.8	1.2	7.0	28.2	25.8	2.8
2005	1.2	3.4	0.1	0.2	6.9	23.5	28.8	2.8
2006	1.7	4.0	2.1	1.5	6.4	24.0	26.9	3.0
2007	6.5	4.6	1.5	0.3	6.6	20.4	28.1	2.2
2008	3.0	4.0	1.6	0.4	4.4	18.5	26.6	3.1
2009	4.3	2.9	1.6	0.3	5.2	19.9	27.1	2.6
2010	3.0	3.4	1.3	0.0	4.8	17.9	30.0	4.1
2011	6.3	3.5	1.3	0.4	5.2	18.9	29.6	3.4
2012	7.2	2.3	0.6	1.1	3.6	20.0	30.0	2.9
Pearson’s correlation coefficient	0.247	−0.543	0.207	−0.535	−0.899↓	0.885↓	0.707↑	0.419
(2-sided)	0.415	0.055	0.497	0.060	<0.001	<0.001	0.007	0.154

CRM n/a: CRM not defined; CRM (+): CRM positive; pTx: pT not defined; pNx: pN not defined; IntraOP: intraoperative complications; surgical: postoperative surgical complications; general: postoperative general complications; lethality: hospital mortality.