Table 2.

Multivariate analysis of risk factors for long-term mortality

	P-Value	HR	95% CI
age	< 0.001	1.1	1.0–1.1
gender (m)	< 0.001	1.6	1.2–2.1
BMI	0.153	1.0	0.9–1.0
ASA classifikation	< 0.001	1.3	1.2–1.4
diabetes mellitus	0.065	1.3	1.0–1.6
malignancy in history	0.002	1.6	1.2–2.3
dementia	< 0.001	1.9	1.5–2.5