Maxillofacial free flap surgery outcomes in critical care: a single-center investigation looking for clues to improvement

Table 7 Multivariable Poisson regression analysis of prolonged ICU LOS (n = 72)

*Variables*	Rate ratio	p-value
Smoking history	1.259	< 0.001
COPD	0.987	0.834
Preoperative hemoglobin level	0.875	< 0.001
Operative time	0.952	0.111
Intraoperative blood transfusion	1.138	0.036
Major complication	1.281	< 0.001
Infectious complication	0.941	0.376
Total pneumopathies	1.358	< 0.001

Bold values are significant
COPD chronic obstructive pulmonary disease, ICU intensive care unit, LOS length of stay

ISSN: 2047-0525