Conversely, at the same or even lower PCT cut-off values, the number of missed pathogens by BC was significantly higher (PCT 0.37 ng/ml: 16 Vs 4, p<0.0001; PCT 0.25 ng/ml: 12 Vs 2, p<0.0001; PCT 0.1 ng/ml: 6 Vs 2, p = 0.009). Here, CALCA is linked to breast cancer.