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. 2016 Dec 19;11(12):e0168595. doi: 10.1371/journal.pone.0168595

Table 2. Mean bacterial biofilm quantities and LRF values.

Organism Direct Current log10 cfu/cm2 Std. Dev. LRF
S. aureus None 5.88 0.45 1.20
200 μA 4.68 0.78
S. epidermidis None 6.66 0.12 4.83
200 μA 1.83 1.57
P. aeruginosa None 5.85 0.04 3.49
200 μA 2.36 1.04

The mean bacterial quantities were calculated following exposure to either no current or 200 μA DC after 24 hours (n = 3 for all samples). Std. Dev., standard deviation.