Time to death and its predictors among traumatic brain injury patients admitted to East Amhara comprehensive specialized hospitals, Ethiopia: retrospective cohort study

Table 2 Institutional related characteristics of TBI patients admitted to East Amhara comprehensive specialized hospitals from 1st January 2016 to 31st December 2021 (n = 429)

Variables	Category	Frequency(n)	Percent (%)
Mode of admission	Direct admission	76	17.7
Mode of admission	Referral	353	82.3
Source of referral (n = 353)	Health center	75	21.2
	Primary hospital	188	53.3
	General hospital	77	21.8
	Private health facility	13	3.7
Types of interventions given before referral	IV fluids	306	86.7
	TAT	274	77.6
	Blood transfusion	63	17.8
	Others*	57	16.1
Types of intervention given after admission	Surgical	171	39.9
Types of intervention given after admission	Conservative	258	60.1
Types of surgical intervention given	Surgical elevation	152	88.8
	Hematoma evacuation	89	52.0
	Craniotomy	82	47.9
	Bure hole	39	22.8
	Others**	27	15.7
Length of hospital stay	1–7 days	131	30.5
	8–14 days	93	21.7
	15–21 days	119	27.7
	22–30 days	60	14.0
	≥ 31 days	26	6.1

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