Table 2.

Demographics, HIV history and FDG-PET scanning results

	Normal PET n = 17	Abnormal PET n = 21	p-valuea
	Mean ± SD	Mean ± SD
Age (y)	46.6 ± 8.4	49.9 ± 9.8	0.3
Years of known HIV infection	13.8 ± 5.2	10.3 ± 4.2	0.03*
Nadir CD4 level (106 cells/l)	134 ± 144	236 ± 210	0.1
Max. log. HIV RNA copies/mlb	4.97 ± 0.7	5.34 ± 0.6	0.12
Years on ARV treatment	8.5 ± 3.3	7 ± 2	0.08*
Years on didanosine and/or stavudine	1.3 ± 1.9	1.7 ± 2.7	0.6

^ap values, equal variance of means assumed, ^b data only available for 30 patients

*p-values < .05 considered significant, values between .05 -.099 considered borderline significant