Table 3.

Baseline characteristics of the Brazilian ethnic population and individuals with HTLV-1

Characteristic	Group
	Control	HAC	HAM/TSP
n (total=98)	32	33	33
Mean age (years) [range]	34.8 [22–57]	40.5 [19–64]	53.2 [31–70]
Sex [%]
Male	27 [84.4]	15 [45.5]	10 [30.3]
Female	5 [15.6]	18 [54.5]	23 [69.7]
Ethnic background [%]
Non-white	11 [34.4]	5 [15.2]	7 [21.2]
Caucasian	20 [62.5]	25 [75.8]	26 [78.8]
Asian	0 [0]	1 [3.0]	0 [0]
Not determined	1 [3.1]	2 [6.0]	0 [0]