Skip to main content

Table 1 Sensitivity, specificity, predictive values, diagnostic accuracy and likelihood ratios of reused Pronto Dry® test and reused CLOtest® for H. pylori infection

From: Diagnostic accuracy of reused Pronto Dry® test and CLOtest® in the detection of Helicobacter pylori infection

Parameter Reused Pronto Dry® % (95 % CIa) Reused CLOtest® % (95 % CIa)
Sensitivity 72.60 % (61.44, 81.51) 93.15 % (84.95, 97.04)
Specificity 98.81 % (96.99, 99.54) 99.41 % (97.86, 99.84)
Positive predictive value 92.98 % (83.30, 97.24) 97.14 % (90.17, 99.21)
Negative predictive value 94.33 % (91.41, 96.30) 98.53 % (96.60, 99.37)
Diagnostic accuracy 94.15 % (91.44, 96.04) 98.29 % (96.52, 99.17)
Likelihood ratio of a positive test 61.17 (36.95 – 101.20) 157 (58.78 – 419.1)
Likelihood ratio of a negative test 0.27 (0.25 – 0.31) 0.07 (0.05 – 0.10)
Diagnostic odds 220.60 (72.56 – 670.70) 2278 (432.9 – 11990)
Cohen’s kappa (Unweighted) 0.78 (0.69 – 0.88) 0.94 (0.84 – 1.03)
  1. aWilson score interval is used for estimation of 95 % confidence interval (95 % CI)