. 2025 Aug 20;63(9):e00471-25. doi: 10.1128/jcm.00471-25

TABLE 4.

Percentage of MIC agreement across the four brands of iron-depleted cation-adjusted Mueller–Hinton broth after 6 h chelation time

Percentage agreement of MIC values across broth manufacturer sources^a
Broth manufacturer comparison	±1 dilution^b	±2 dilution^c	± ≥ 3 dilution^d
BD-BBL vs BD-Difco	96.5	2.4	1.2
BD-BBL vs Oxoid	80.0	11.8	8.2
BD-BBL vs Merck	62.4	11.8	25.9
BD-Difco vs Oxoid	92.9	4.7	2.4
BD-Difco vs Merck	58.8	21.2	20.0
Oxoid vs Merck	60.0	11.8	28.2

^{^a}

85 isolates and 1,878 MIC values/medium.

^{^b}

Percentage of isolates with modal MIC values with ±1 dilution.

^{^c}

Percentage of isolates with modal MIC values with ±2 dilutions.

^{^d}

Percentage of isolates with modal MIC values with ±≥3 dilutions.