The Etiological Spectrum of Febrile Encephalopathy in Adult Patients: A Cross-Sectional Study from a Developing Country

Table 1

Frequency distribution and etiological spectrum of patients with CNS infection.

	Definitive diagnosis	Presumptive diagnosis	Undetermined etiology	Total
	(%)	(%)	(%)
Bacterial meningitis	23 (56.1)	18 (43.9)	- -	41
Viral meningitis	0 (0)	12 (100)	- -	12
Herpetic encephalitis	8 (53.3)	7 (46.7)	- -	15
VZV encephalitis	0 (0)	5 (100)	- -	5
CNS tuberculosis	12 (41.3)	17 (58.6)	- -	29
Neurobrucellosi	6 (100)	0 (0)	- -	6
Parameningeal infection/brain abscess	1 (25)	3 (75)	- -	4
Meningitis/encephalitis of other etiologies	3 (30)	7 (70)	- -	10
Meningitis of undetermined etiology	- -	- -	6 (100)	6
Encephalitis/meningoencephalitis of undetermined etiology	- -	- -	30 (100)	30
Total	53 (33.9)	68 (43.6)	35 (22.4)	158

The diagnosis of neurobrucellosis was made by serology and/or culture; VZV: Varicella Zoster Virus; CNS: central nervous system.