Table 2

Estimated mean costs and QALYs per patient (unadjusted)

CMR (n=481)MPS (n=481)NICE (n=240)
LPTLMPTLHPTLOverallLPTLMPTLHPTLOverallLPTLMPTLHPTLOverall
Mean costs* n=128 n=179 n=174 n=481 n=125 n=183 n=173 n=481 n=61 n=88 n=91 n=240
Diagnostic cost (SD)£465.59 (360)£595.22 (548)£849.64 (620)£652.76 (556)£676.62 (298)£761.23 (500)£967.91 (616)£813.58 (518)£446.05 (417)£831.24 (614)£1122.27 (309)£843.69 (535)
Revascularisation cost (SD)£165.16 (1137)£420.43 (1548)£1271.66 (2464)£660.43 (1908)£100.90 (899)£285.91 (1193)£1083.67 (2491)£524.76 (1765)£86.64 (677)£472.42 (1703)£929.26 (2023)£547.59 (1680)
Other costs† (SD)£231.33 (891)£335.23 (757)£619.96 (1014)£410.58 (905)£260.90 (555)£300.22 (513)£485.99 (680)£356.82 (595)£224.54 (225)£353.40 (600)£413.65 (460)£343.49 (498)
Total cost (SD)£862.08 (2192)£1350.89 (2294)£2741.26 (3392)£1723.77 (2828)£1038.42 (1357)£1347.37 (1777)£2537.57 (3171)£1695.15 (2375)£757.24 (1052)£1657.06 (2632)£2465.18 (2218)£1734.77 (2259)
Mean QALYs* n=128 n=179 n=174 n=481 n=125 n=183 n=173 n=481 n=61 n=88 n=91 n=240
Year 1 (SD)0.7965 (0.2380)0.7700 (0.2508)0.7374 (0.2593)0.7652 (0.2513)0.7687 (0.2351)0.7502 (0.2611)0.7384 (0.2340)0.7508 (0.2487)0.7239 (0.2519)0.7016 (0.2595)0.7388 (0.2359)0.7214 (0.2489)
Year 2 (SD)0.7800 (0.2585)0.7434 (0.3101)0.7306 (0.2925)0.7485 (0.3101)0.7499 (0.2387)0.7369 (0.3092)0.7074 (0.2737)0.7296 (0.3001)0.7096 (0.2816)0.6581 (0.2953)0.6983 (0.3013)0.6864 (0.2883)
Year 3 (SD)0.7503 (0.2496)0.7210 (0.2805)0.6965 (0.3028)0.7200 (0.2937)0.7169 (0.2442)0.7076 (0.3070)0.6777 (0.2723)0.6993 (0.2918)0.6844 (0.2754)0.6437 (0.2670)0.6689 (0.3070)0.6636 (0.2681)
Total QALYs (SD)2.3268 (0.6879)2.2344 (0.7954)2.1645 (0.8108)2.2337 (0.8146)2.2355 (0.6592)2.1948 (0.8299)2.1234 (0.7383)2.1797 (0.7939)2.1179 (0.7606)2.0034 (0.7737)2.1060 (0.7878)2.0714 (0.7515)
  • *Discounted at 3.5% rate per annum

  • †Other costs comprise cardiovascular-related inpatient, outpatient and drug-related costs.

  • CMR, cardiovascular magnetic resonance; HPTL, high pretest likelihood; LPTL, low pretest likelihood; MPS, myocardial perfusion scintigraphy; MPTL, medium pretest likelihood; NICE, National Institute for Health and Care Excellence guidance; QALY, quality-adjusted life-years.