Pulmonary infection in traumatic brain injury patients undergoing tracheostomy: predicators and nursing care

BMC Pulmonary Medicine

Table 2 Pearson correlation analysis of characteristics and pulmonary infection

Variables	r	p
Gender	0.124	0.088
Age (y)	0.211	0.092
BMI (kg/m²)	0.161	0.074
Alcohol drinking	0.107	0.115
Smoking	0.244	0.079
Hypertension	0.175	0.103
Diabetes	0.782	0.033
Hyperlipidemia	0.121	0.079
Hypoproteinemia	0.804	0.014
Types of TBI	0.626	0.011
GCS at admission	0.239	0.075
Duration of mechanical ventilation prior to tracheostomy (h)	0.599	0.026
Duration of coma (h)	0.672	0.012
Duration of mechanical ventilation (days)	0.724	0.003
Length of hospital stay (days)	0.655	0.037
Length of hospital stay post tracheostomy (days)	0.554	0.041
Death	0.598	0.029

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