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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: J Acquir Immune Defic Syndr. 2015 May 1;69(1):1–10. doi: 10.1097/QAI.0000000000000533

Figure 1.

Figure 1

Mean concentrations of cationic peptides in cervicovaginal sections (CVS) of HIV-1-uninfected women, stratified by hormonal contraceptive use. Concentrations are expressed as ng/ml. Error bars indicate the 95% confidence interval for the mean estimate. Thin horizontal lines indicate the mean concentration in women using no hormonal contraception. Bold horizontal lines indicate statistical significance at p < 0.05 (*) and p < 0.01 (**). Individuals with peptide levels below the lower limit of detection are indicated at the bottom of each plot. The lower limit of detection for HNP1–3 was 0.156 ng/ml, for LL-37 was 0.100 ng/ml, for SLPI was 0.0625 ng/ml, for lactoferrin was 0.400 ng/ml, and for HBD-2 was 0.0156 ng/ml.