Table 4 Sensitivities and specificities of the electrochemical, phenotypic and automated identification methods of P. aeruginosa compared with PCR amplification of the 16s rRNA gene.

From: Highly specific Electrochemical Sensing of Pseudomonas aeruginosa in patients suffering from corneal ulcers: A comparative study

 

PANI/Au NPs/ITO electrode

Screen printed electrode

Phenotypic methods

Automated Method

CV

SWV

CV

SWV

Sensitivity

85.7%

100%

42.9%

71.4%

71.4%

85.7%

Specificity

100%

100%

100%

100%

100%

100%

PPV

100%

100%

100%

100%

100%

100%

NPV

66.6%

100%

33.3%

50%

50%

66.6%

  1. CV cyclic voltammetry scans, SWV square wave voltammetric scans, PPV positive predictive value, NPV negative predictive value.