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Table 7 Results of bivariate analysis with covariables, per stent analysis.

From: Multidetector computed tomography angiography for assessment of in-stent restenosis: meta-analysis of diagnostic performance

Study characteristic No of studies sensitivity 95% CI specificity 95% CI
All studies 14 0.82 0.72–0.89 0.91 0.83–0.96
Number of detectors      
64 4 0.83 0.71–0.90 0.89 0.70–0.97
lower 10 0.81 0.68–0.89 0.93 0.85–0.97
Non assessable excluded      
yes 7 0.84 0.66–0.93 0.97 0.93–0.99
no 7 0.81 0.66–0.90 0.79 0.68–0.87
Year of publication      
2004 or earlier 4 0.73 0.55–0.85 0.91 0.77–0.97
later than 2004 10 0.84 0.72–0.91 0.91 0.80–0.97
Time between MDCTA and PCI      
less than 6 months 8 0.83 0.69–0.92 0.89 0.81–0.92
6 months or longer 5 0.72 0.56–0.84 0.93 0.67–0.99
Brand      
Siemens 9 0.69 0.57–0.79 0.95 0.80–0.99
Philips or Toshiba 5 0.88 0.76–0.94 0.88 0.77–0.94
  1. Stratum specific sensitivities and specificities were compared for some characteristics that were amenable to meaningful analysis of subgroups (arbitrary value of more than 3 studies per subgroup)