Impact of the COVID-19 pandemic on patients with coronary artery disease requiring cardiac surgery at a German university hospital

Table 4 Outcome data of the study cohorts

Variable	Group B (n = 513)	Group P (n = 501)	p
ICU length of stay (days ± SD)	2.2 ± 5.2	2.5 ± 4.9	0.600
Length of hospital stay (days ± SD)	13.0 ± 10.8	13.2 ± 12.8	0.600
ECLS post CABG surgery [n]	10 (1.9%)	17 (3.4%)	0.459*
Mortality during hospital stay [n]	16 (3.1%)	24 (4.8%)	0.459*

Group B: period from 01.05.18 to 30.04.19; group P: period from 01.05.20 to 30.04.21; SD: standard deviation; ICU: intensive care unit; ECLS: Extracorporeal Life Support; CABG: coronary artery bypass graft; *Holm-Bonferroni adjusted p-values

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