Cluster analysis for identifying sub-groups and selecting potential discriminatory variables in human encephalitis

Table 3 Descriptive statistics on selected demographic and clinical variables for the 209 encephalitis patients

Variable	Group	N	%
Aeitiology	HSV^a	38	18.18
	ADEM^b	23	11
	VZV^c	12	5.74
	MTB^d	10	4.78
	ANT^e	8	3.83
	Other	34	16.27
	Viral	22	10.53
	Bacterial	12	5.74
	Unknown	84	40.19
Gender	Male	114	54.54
Age: Categorical	Age ≤ 10	55	26.32
	10 < Age ≤35	55	26.32
	35 < Age ≤55	42	20.1
	Age >55	50	23.92
Age: Continuous	33.29 ± 25.64 (0,87)*
Region	South West	17	8.13
	London	86	41.15
	North West	106	50.72
Duration of illness	58.88 ± 71.39 (3,535)*
Length of stay**	49.01 ± 67.01(2,521)*

ISSN: 1471-2334