Table 2.

Breakdown of International HIV Dementia Scale (IHDS) Scores

	Mean (SD)	Range (IQR)	N (%)
IHDS total score	9.02 (1.39)	6-12 (8–10)
IHDS finger-tapping subscore	3.49 (0.53)	2-4 (3–4)
15 taps in 5 seconds			202 (51)
11-14 taps in 5 seconds			191 (48)
7-10 taps in 5 seconds			6 (2)
3-6 taps in 5 seconds
0-2 taps in 5 seconds
IHDS alternating hand sequence	2.25 (0.57)	1-4 (2–3)
4 sequences in 10 seconds			1 (0.25)
3 sequences in 10 seconds			125 (31)
2 sequences in 10 seconds			246 (62)
1 sequences in 10 seconds			27 (7)
0 sequences in 10 seconds
Unable to perform
IHDS 4-word recall	3.28 (0.77)	1-4 (3–4)
4 words recalled			182 (46)
3 words recalled			152 (38)
2 words recalled			58 (15)
1 word recalled			7 (2)

Abbreviations: IHDS International HIV Dementia Scale, IQR Interquartile range, SD Standard deviation.