TABLE 2.

Inhibition of bacterial growth due to MBL inhibitors

IMBL (vol, in μl)Mean inhibition zone size (in mm) by strain typeP value
MBL producer (n = 46)Non-MBL producer (n = 19)
EDTA (2)6.0a6.0-b
EDTA (4)6.16.0-
EDTA (6)6.46.0-
EDTA (8)6.76.0-
EDTA (10)76.0-
MPA (2)7.36.30.1
MPA (4)10.810.90.9
MPA (6)13.514.40.78
MPA (8)16.116.70.3
MPA (10)18.418.20.8
MAC (2)6.16.0-
MAC (4)7.67.50.76
MAC (6)10.69.60.12
MAC (8)12.611.70.24
MAC (10)14.913.10.05
MET (2)6.06.2-
MET (4)6.86.30.35
MET (6)7.57.20.8
MET (8)8.07.20.6
MET (10)8.07.40.65
PHEN (2)6.06.0-
PHEN (4)6.26.0-
PHEN (6)6.56.30.8
PHEN (8)6.96.40.3
PHEN (10)7.67.30.78
  • a No inhibition zone was detected, since the size of the paper disk was 6 mm.

  • b -, The P value could not be calculated due to a lack of variation in the means of inhibition zones.