Table 1.
Total number and percentages of UK National Health Service trusts that responded to Freedom of Information requests performing individual tests between 2011–2012 and 2016–2017
| Test | 2011–2012 | 2012–2013 | 2013–2014 | 2014–2015 | 2015–2016 | 2016–2017 |
| CTCA | 77 (56.6%) | 84 (59.2%) | 100 (66.7%) | 106 (70.2%) | 111 (73.5%) | 116 (74.4%) |
| ETT | 122 (97.6%) | 129 (97.0%) | 132 (97.8%) | 135 (97.8%) | 138 (97.9%) | 141 (97.9%) |
| SE | 73 (60.3%) | 85 (65.4%) | 98 (73.1%) | 102 (73.4%) | 109 (76.8%) | 115 (80.4%) |
| CMR | 27 (19.6%) | 35 (24.8%) | 39 (27.3%) | 40 (27.6%) | 44 (30.1%) | 46 (31.5%) |
| MPS | 79 (60.3%) | 82 (61.7%) | 88 (63.3%) | 89 (62.7%) | 92 (64.3%) | 91 (63.6%) |
CMR, cardiac stress/perfusion MRI; CTCA, CT coronary angiography; ETT, exercise treadmill testing; MPS, myocardial perfusion scintigraphy; SE, stress echocardiography.