Table 3.

Sensitivity analysis for TBI patients with altered consciousness and severe TBI patients.

	Total	Outcome		Model 1	Model 2
	N	N	%	aOR (95% CI)	aOR (95% CI)
TBI patients with altered consciousness
Poor functional recovery (MRS ≥ 4)
Total	1733	358	20.7
Alcohol intake
No-alcohol	1142	275	24.1	1.00	1.00
Alcohol intake	591	83	14.0	0.56 (0.42–0.74)	0.53 (0.34–0.72)
In-hospital mortality
Total	1733	244	14.1
Alcohol intake
No-alcohol	1142	189	16.5	1.00	1.00
Alcohol intake	591	55	9.3	0.54 (0.39–0.75)	0.59 (0.35–0.71)
Severe TBI patients
Poor functional recovery (MRS ≥ 4)
Total	2083	389	18.7
Alcohol intake
No-alcohol	1654	313	18.9	1.00	1.00
Alcohol intake	429	76	17.7	0.97 (0.73–1.29)	1.17 (0.88–1.31)
In-hospital mortality
Total	2083	196	9.4
Alcohol intake
No-alcohol	1654	160	9.7	1.00	1.00
Alcohol intake	429	36	8.4	0.85 (0.58–1.26)	1.04 (0.82–1.24)

Model 1: adjusted for age, sex, alcohol intake.

Model 2: adjusted for variables in Model 1, place of injury, activity, and severity of TBI.

aOR = adjusted odds ratio, CI = confidence interval, MRS = modified rankin scale, TBI = traumatic brain injury.