highly significantP < 0.0001
However, the increase in the fitness cost for growth in the biofilm was highly significant ( P < 0.0001 by a two-tailed t test) for streptomycin ( rpsL K42R) and rifampicin ( rpoB S531L) resistance.
However, the increase in the fitness cost for growth in the biofilm was highly significant ( P < 0.0001 by a two-tailed t test) for streptomycin ( rpsL K42R) and rifampicin ( rpoB S531L) resistance.