Figure 2. 16S copy number of Borrelia positive and negative cultures.

Boxplot showing the 16S copies (log₁₀) detected in skin biopsy specimens for which the paired biopsies were either positive or negative for Borrelia in culture. (A) Analysis for all samples and (B) only samples which were positive by PCR. Whiskers indicate the minimal and maximal copy number determined. Data were analyzed using the Mann–Whitney test.