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. Author manuscript; available in PMC: 2012 Apr 5.
Published in final edited form as: HIV Clin Trials. 2011 Mar-Apr;12(2):79–88. doi: 10.1310/hct1202-79

Table 3.

Resistance scores for cases and controls

Variables Cases (n=104)
Percentages or
Mean
(Standard
Deviation)		 Controls
(n=183)
Percentages
or Mean
(Standard
Deviation)		 Conditional
logistic results
unadjusted
OR (95% CI),
p-value		 Conditional
logistic
results adjusted
for baseline
CD4 and HIV-1
RNA
OR (95% CI),
p-value
FDO
Mean (standard deviation)		 2.53
(1.25)		 2.69
(1.14)		 0.89 (0.70,
1.13),
0.3		 0.89 (0.68,
1.17), 0.4
NRTI high level resistance
(HLR), defined as average
Stanford resistance score >
59.5		 17.3% 11.5% 1.49 (0.76,
2.91), 0.2		 1.19 (0.57,
2.46), 0.6
NNRTI HLR 23% 22% 0.91 (0.48,1.75),
0.8		 0.92 (0.46,
1.86), 0.8
PI HLR 17% 14% 1.31 (0.63,
2.73), 0.5		 1.13 (0.49,
2.64), 0.8
Number of classes with
HLR
Mean (Standard Deviation)		 0.58 (0.91) 0.48 (0.82) 1.38 (0.55,
3.46), 0.5		 1.12 (0.40,
3.12), 0.8