Table 5.

Proportion of missing data in HTLV- and HTLV-groups^*

Variable	Missing data in HTLV1− group: N (%)	Missing data in HTLV1+ group: N (%)
Country of origin	139 (10.43)	9 (11.84)
Contamination mode	70 (5.25)	4 (5.26)
Viral load	163 (12.23)	7 (9.21)
CD4 count	155 (11.63)	7 (9.21)
Hepatitis B	86 (6.45)	4 (5.26)
Hepatitis C	107 (8.03)	4 (5.26)
Toxoplasmosis	159 (11.93)	10 (13.16)
Syphilis	424 (31.81)	24 (31.58)
Virologic failure	323 (29.96)	21 (38.18)
Immunologic failure	343 (31.82)	19 (34.55)

^*HTLV = human T lymphotropic virus.