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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: J Neurovirol. 2010 Dec 23;17(1):17–25. doi: 10.1007/s13365-010-0010-5

Table 1.

Demographic and clinical characteristics at baseline by fatigue status

Total Fatigue status
p Value
Non-fatigued Fatigued
Age (years) N
Median (IQR)
128
45 (41.5, 52)
46
48 (43, 54)
82
44 (41, 50)
0.011a
Education (years) N
Median (IQR)
128
13 (12,16)
46
12 (11, 15)
82
14 (12, 16)
0.053a
Gender, N (%N) Male
Female
112 (88%)
16 (13%)
41 (89%)
5 (11%)
71 (87%)
11 (13%)
0.785b
Race/ethnicity,
N (%N)
White Non-Hispanic
Black Non-Hispanic
65 (51%)
46 (36%)
19 (41%)
19 (41%)
46 (56%)
27 (33%)
0.264c
Other 17 (13%) 8 (17%) 9(11%)
MSK stage,
N (%N)
Equivocal/ subclinical
Mild
44 (34%)
71 (55%)
19 (41%)
25 (54%)
25 (30%)
46 (56%)
0.103d
Moderate 13 (10%) 2 (4%) 11 (13%)
FSS score N
Median (IQR)
128
4.67 (3.44, 5.78)
46
2.78 (2.33, 3.56)
82
5.44 (4.75, 6.22)
<0.001a
CD4+ count (mm3) N
Median (IQR)
120
425.5 (261.5, 691.5)
44
443.5 (268,649)
76
419 (225, 729)
0.963a
Plasma HIV RNA (copies/ml),
N (%N)
>50
≤50
54 (43%)
73 (57%)
19 (41%)
27 (59%)
35 (43%)
46 (57%)
0.854b
CSF HIV RNA (copies/ml),
N (%N)
>50
≤50
22 (26%)
63 (74%)
12 (34%)
23 (66%)
10 (20%)
40 (80%)
0.208b
ART usage N (%) 122 (95) 42 (91) 80 (98) 0.187b
NRTI usage N (%) 118 (92) 41(89) 77 (94) 0.494d
CES-D scale score N
Median (IQR)
127
19 (12, 29)
46
14.5 (7, 22)
81
24 (17, 34)
<0.001a
Karnofsky scale score N
Median (IQR)
127
80 (80,90)
45
90 (80, 90)
82
80 (80,90)
0.032a
NPZ-8 N
Median (IQR)
128
−0.95 (−1.55, −0.51)
46
−0.92 (−1.46, −0.48)
82
−0.96 (−1.57, −0.52)
0.704a
a

Kruskal–Wallis test

b

Fisher’s Exact test

c

Exact Test for R×C Tables

d

Score Test for Ordinal Categorical Data