Does antibiotic resistance impair plasma susceptibility of multi-drug resistant clinical isolates of enterococci in vitro?

Table 2 Significant differences (p value) in ZOI between the different enterococcal groups

Compared groups	Mean (SD) ZOI (mm²) of respective group	p value
Group 1 vs. 2	468.1 (71.6) vs. 334.4 (69.1)	0.000
Group 1 vs. 4	468.1 (71.6) vs. 301.0 (44.8)	0.000
Group 4 vs. 6	301.0 (44.8) vs. 289.7 (42)	0.000
Group 1 vs. all other isolates	468.1 (71.6) vs. 311.3 (56.0)	0.000
Group 3 vs. all other isolates	320.3 (61.0) vs. 396.8 (105.3)	0.017
Group 4 vs. all other isolates	301.0 (44.8) vs. 374.6 (97.7)	0.014
Group 5 vs. all other isolates	295.4 (42.4) vs. 404.2 (94.8)	0.000
Group 6 vs. all other isolates	289.7 (42.0) vs. 377.6 (95.7)	0.002

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