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Table 5 The variable assignment of multivariate logistic regression

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

Factors Variables Assignment
Pulmonary infection Y Yes = 1, no = 2
Diabetes X1 Yes = 1, No = 2
Hypoproteinemia X2 Yes = 1, No = 2
Duration of coma (h) X3 ≥ 22 = 1, < 22 = 2
Duration of mechanical ventilation (days) X4 ≥ 5 = 1, < 5 = 2
Length of hospital stay (days) X5 ≥ 21 = 1, < 21 = 2