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. 2019 Feb;149(2):216–221. doi: 10.4103/ijmr.IJMR_1_18

Table II.

Detection of AmpC in Pseudomonas spp. by phenotypic methods

Phenotypic method n=126 (%) Sensitivity% (CI)
TDET 7 (6.93) 10 (0.04-0.20)
AmpC disc test 3 (2.99) 4 (0.012-0.13)
Boronic acid disc test 18 (16) 28 (0.17-0.40)
Disc approximation method 36 (32.7) 69.5 (0.58-0.78)

AmpC, Amp-C β-lactamase; TDET, three-dimensional extract test; CI, confidence interval