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Table 3 Sensitivity analyses expected costs and test performance

From: A PCR-based diagnostic testing strategy to identify carbapenemase-producing Enterobacteriaceae carriers upon admission to UK hospitals: early economic modelling to assess costs and consequences

Strategy Expected cost per patient (£) True positives (%) False positives (%) True negatives (%) False negatives (%)
Sensitivity Analysis (a):
 Culture testing 1916.00 0.5 6.7 92.7 0.0996
 PCR testing 1704.24 0.6 3.4 96.0 0.024
 Cost difference with PCR testing (£) −211.76     
Sensitivity Analysis (b):
 Culture testing 5639.07 0.6 18.7 80.7 0.0027
 PCR testing 4791.70 0.6 3.4 96.0 0.024
 Cost difference with PCR testing (£) −847.37     
Sensitivity Analysis (c):
 Culture testing 2165.82 5.0 17.8 77.2 0.023
 PCR testing 1724.94 4.8 3.2 91.8 0.2
 Cost difference with PCR testing (£) −440.88     
Sensitivity Analysis (d):
 Culture testing 2166.37 0.6 18.7 80.7 0.0027
 PCR testing 1696.29 0.6 1.8 97.6 0
 Cost difference with PCR testing (£) −470.08     
Sensitivity Analysis (e):
 Culture testing 2166.37 0.6 18.7 80.7 0.0027
 PCR testing 1744.65 0.6 3.4 96 0.024
 Cost difference with PCR testing (£) −421.72     
Sensitivity Analysis (f):
 Culture testing 2166.37 0.6 18.7 80.7 0.0027
 PCR testing 1821.65 0.6 3.4 96 0.024
 Cost difference with PCR testing (£) −344.72