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. 2011 Jun 20;6(6):e21189. doi: 10.1371/journal.pone.0021189

Table 3. Coefficient estimates from AIC-selected linear models of baseline Inline graphic and Inline graphic plasma HIV RNA on position-specific SDRMs and demographic and risk factors.

Inline graphic Inline graphic plasma HIV RNA
Estimate (95% CI) Inline graphic value Estimate (95% CI) Inline graphic value
M41X 1.0 (0.05, 1.95) 0.04 NS
M46X NS Inline graphic (Inline graphic, Inline graphic) 0.003
D67X Inline graphic (Inline graphic, Inline graphic) Inline graphic 0.96 (0.25, 1.7) 0.009
M184X NS Inline graphic (Inline graphic) Inline graphic
L210X NS Inline graphic (Inline graphic, Inline graphic) 0.007
K219X Inline graphic (Inline graphic, Inline graphic) Inline graphic NS
D67X:K219X Inline graphic (Inline graphic, Inline graphic) Inline graphic Inline graphic (Inline graphic, Inline graphic) 0.047
K219X:G190X Inline graphic (Inline graphic, Inline graphic) Inline graphic NS
L90X:M41X Inline graphic (Inline graphic, Inline graphic) Inline graphic NS
I54X:L210X Inline graphic (Inline graphic, Inline graphic) Inline graphic NS
M46X:T215X NS 1.7 (0.88, 2.5) 0.033
M184X:K103X NS 0.58 (Inline graphic0.14, 1.3) 0.018
M184X:K219X NS 0.87 (Inline graphic0.07, 1.8) 0.023
K219X:Y181X NS 1.43 (0.34, 2.5) 0.013
Male Inline graphic (Inline graphic, Inline graphic) Inline graphic NS
Sample date 23.3 (7.4, 38.9) Inline graphic Inline graphic Inline graphic (Inline graphic, Inline graphic) Inline graphic 0.04
Race/ethnicity
Black Inline graphic (Inline graphic, Inline graphic) Inline graphic Inline graphic (Inline graphic, Inline graphic) 0.003
Hispanic Inline graphic (Inline graphic, Inline graphic) Inline graphic NS
other Inline graphic (Inline graphic, Inline graphic) Inline graphic NS

SDRMs are annotated by HXB2 reference residue and position (gene-specific numbering), followed by an ‘X’ to indicate a non-reference residue. Positions 46, 54, and 90 are in protease and all others are in reverse transcriptase. All estimates were averaged over an ensemble of linear models using Akaike weights. Only terms that were statistically significant (Inline graphic) are reported here. NS = not significant.