Colorectal cancer surgery in selected nonagenarians is relatively safe and it is associated with a good long-term survival: an observational study

Table 4 Multivariate analysis (linear regression) of risk factors associated with Comprehensive Complication Index

	Unstandardized Coefficients		Standardized Coefficients	t	p	95%CI for B
	B	Std. error	Beta	t	p	95%CI for B
Constant	− 504.97	253.44	–	− 1.99	0,054	− 1018.9–9.02
Age	5.55	2.77	0.274	2.00	0.053	− 0.07–11.17
Palliative surgery	17.68	11.97	0.213	1.48	0.148	− 6.59–41.95
Transfusion	21.29	8.83	0.359	2.41	0.021	3.38–39.21

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