Table 1.

Patient cohort demographics.

Patient characteristics
Groups	Number (n)	Gender (male, female)	Age: median (IQR)*
American cohort	50
Uninfected controls	20	6, 14	47 (43, 52)
HTLV-1 carriers	20	5, 15	54 (51, 63)
HAM/TSP	10	2, 8	52 (47, 61)
Brazilian cohort	68
Uninfected controls	18	9, 9	27 (24, 49·5)
HTLV-1 carriers	31	10, 21	46 (36, 53)
HAM/TSP I	19	6, 13	57 (46, 62)

^*Interquartile range.

HTLV-1, human T lymphotropic virus type 1; HAM/TSP, HTLV-1-associated myelopathy/tropical spastic paraparesis.