Table 1.
P.aeruginosa |
Culture |
Sensitivity | Specificity | PPV a | NPV b | Concordance c | ||
---|---|---|---|---|---|---|---|---|
Antigen | − | + | ||||||
Alkaline protease d | − | 633 | 109 | 0.45 | 0.81 | 0.38 | 0.85 | 0.74 |
+ | 144 | 89 | ||||||
Elastase d | − | 608 | 95 | 0.52 | 0.78 | 0.38 | 0.86 | 0.73 |
+ | 169 | 103 | ||||||
Exotoxin A d | − | 449 | 65 | 0.67 | 0.58 | 0.29 | 0.87 | 0.60 |
+ | 328 | 133 | ||||||
PopB+ExoS e | − | 647 | 102 | 0.48 | 0.83 | 0.42 | 0.86 | 0.76 |
+ | 130 | 96 | ||||||
PAO1 cell lysate e | − | 560 | 79 | 0.60 | 0.72 | 0.35 | 0.88 | 0.70 |
+ | 217 | 119 | ||||||
Exotoxin A a | − | 716 | 146 | 0.26 | 0.92 | 0.46 | 0.83 | 0.79 |
+ | 61 | 52 | ||||||
E-15 combined d | − | 371 | 44 | 0.78 | 0.48 | 0.28 | 0.89 | 0.54 |
+ | 406 | 154 | ||||||
MCW combined e | − | 502 | 61 | 0.69 | 0.65 | 0.33 | 0.89 | 0.66 |
+ | 275 | 137 |
PPV refers to positive predictive value.
NPV refers to negative predictive value.
Concordance is the proportion of all 975 samples that were culture negative/seronegative or culture positive/seropositive.
Component of Mediagnost® E-15 ELISA kit (Reutlingen, Germany).
Studies conducted at Dr. Joseph Barbieri’s laboratory, Medical College of Wisconsin.