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Table 6 The logistic regression analysis on the risk factors of pulmonary infection in STBI patients undergoing tracheostomy

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

Variables β S\({\overline{\text{x}}}\) OR 95% CI p
Diabetes 0.321 0.109 2.232 1.215–3.904 0.026
Hypoproteinemia 0.212 0.101 1.922 1.083–3.031 0.041
Duration of coma ≥ 22 h 0.102 0.082 2.864 1.344–5.012 0.013
Duration of mechanical ventilation ≥ 5 days 0.436 0.106 3.602 1.297–5.626 0.011
Length of hospital stay ≥ 21 days 0.123 0.112 2.048 1.022–3.859 0.017