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DOI: 10.3310/hta17010 Health Technology Assessment 2013 Vol. 17 No. 1Study TP FP FN TN Sensitivity Specificity Sensitivity SpecificityBody 2011 46 95 37 32 549 0.75 (0.68 to 0.82) 0.94 (0.92 to 0.95)Christ 2010 60 18 22 2 95 0.86 (0.71 to 0.96) 0.83 (0.75 to 0.89)Keller 2009 20 300 111 113 1294 0.73 (0.69 to 0.77) 0.92 (0.91 to 0.93)Reichlin 2009 19 102 42 21 553 0.82 (0.75 to 0.88) 0.93 (0.91 to 0.95)Pooled effect 0.80 (0.61 to 0.92) 0.91 (0.80 to 0.96)Predictive effect 0.80 (0.33 to 0.97) 0.91 (0.53 to 0.99)0 0.2 0.4 0.6 0.8 1.00 0.2 0.4 0.6 0.8 1.0FIGURE 9 Meta-<strong>analysis</strong> <strong>of</strong> studies <strong>of</strong> TnT using the 99th percentile.Study TP FP FN TN Sensitivity Specificity Sensitivity SpecificityChrist 2010 60 13 11 7 106 0.71 (0.51 to 0.84) 0.92 (0.87 to 0.96)Collinson 2006 62 54 12 6 134 0.87 (0.77 to 0.94) 0.93 (0.88 to 0.96)Haltern 2010 67 23 0 8 63 0.74 (0.59 to 0.86) 0.98 (0.94 to 1.00)Keller 2009 20 263 39 150 1366 0.64 (0.59 to 0.69) 0.97 (0.96 to 0.98)McCann 2008 76 149 13 50 204 0.75 (0.69 to 0.80) 0.94 (0.91 to 0.97)Reichlin 2009 19 89 18 34 577 0.73 (0.65 to 0.80) 0.97 (0.95 to 0.98)Pooled effect 0.74 (0.60 to 0.85) 0.96 (0.91 to 0.98)Predictive effect 0.74 (0.35 to 0.94) 0.96 (0.76 to 0.99)0 0.2 0.4 0.6 0.8 1.00 0.2 0.4 0.6 0.8 1.0FIGURE 10 Meta-<strong>analysis</strong> <strong>of</strong> studies <strong>of</strong> TnT using 10% CV.© Queen’s Printer <strong>and</strong> Controller <strong>of</strong> HMSO 2013. This work was produced by Goodacre et al. under the terms <strong>of</strong> a commissioning contract issued by the Secretary <strong>of</strong> Statefor Health. This issue may be freely reproduced for the purposes <strong>of</strong> private research <strong>and</strong> study <strong>and</strong> extracts (or indeed, the full report) may be included in pr<strong>of</strong>essional journalsprovided that suitable acknowledgement is made <strong>and</strong> the reproduction is not associated with any form <strong>of</strong> advertising. Applications for commercial reproduction should beaddressed to: NIHR Journals Library, National Institute for Health Research, Evaluation, Trials <strong>and</strong> Studies Coordinating Centre, Alpha House, University <strong>of</strong> Southampton SciencePark, Southampton SO16 7NS, UK.33

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