Correlation between frontal lobe injury severity caused by traumatic brain injury and mental disorders with early prognosis

Table 4 Logistic regression analysis of associations between frontal lobe injury severity and poor prognosis

	Model 1		Model 2		Model 3
	OR (95%CI)	P value	OR (95%CI)	P value	OR (95%CI)	P value
Mild	Reference		Reference		Reference
Moderate	3.519 (1.575-7.860)	0.002	3.553 (1.560-8.091)	0.003	3.334 (1.256-8.853)	0.016
Severe	13.542 (5.708-32.127)	< 0.001	13.794 (5.663-33.597)	< 0.001	14.626 (4.600-46.504)	< 0.001
P value for trend		< 0.001		< 0.001		< 0.001

Model 1: Not adjusted for confounding factors; Model 2: Adjusted for age and gender; Model 3: Further adjusted for age, gender, education level, smoking history, alcohol misuse history, pre-injury substance abuse, pre-existing mental illness, basic diseases, trauma cause, time from injury to first aid, multiple traumatic injuries, Marshall computed tomography classification, post-traumatic surgery, hypotension, and hypoxia.