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. 2017 Jan 13;12(1):e0170033. doi: 10.1371/journal.pone.0170033

Fig 2. Semi-quantitative detection of Staphylococcus aureus by PCR/ESI-MS.

Fig 2

S. aureus was detected in a total of 33 bronchoalveolar lavage samples. In 27 samples, the results were confirmed by culture (n = 15) or PCR for nuc (n = 12). Individual values with median are shown, comparison was made by Kruskal-Wallis with Dunn’s multiple comparison post-test; *P<0.05, **P<0.01. The dashed line indicates the mean level for the lower detection limit of S. aureus by PCR/ESI-MS (0.4×104 CFU/ml), the open square indicates a sample not available for confirming tests.