Response option | Cluster1 | Cluster2 | |
---|---|---|---|
Subgroup label | Uncertain of cause and fearful, but not heart-related - with local thoracic 5/6 palpation findings. | Believes pain to be heart- or musculoskelet-al-related with crushing pain, and local thoracic 2/3 signs and pectoral tenderness. | |
Demographic domain | |||
Age | Mean (SD) | 52.2 (11.0) | 56.5 (9.2) |
Gender | Female | 44 % | 39 % |
Previous history domain | |||
Cardiovascular risk factor Index | Mean (SD) | 1.9 (1.1) | 22.2 (1.1) |
Psychological domain | |||
Self-perceived ‘Pain from muscle or joints’ | Possibly | 79 % | 1 % |
Yes | 9 % | 46 % | |
Self-perceived ‘Pain from heart’ | Possibly | 73 % | 1 % |
Yes | 3 % | 76 % | |
Self-perceived ‘Afraid’ | Yes | 94 % | 71 % |
Pain domain | |||
Episode duration | <10 min | 34 % | 57 % |
10 min-1 hour | 24 % | 20 % | |
>1 hour | 5 % | 6 % | |
Continuous | 37 % | 17 % | |
Pain description ‘crushing pain’ | Yes | 76 % | 90 % |
Pain description ‘tenderness’ | Yes | 0 % | 6 % |
Pain description ‘sharp pains’ | Yes | 25 % | 20 % |
Pain description ‘well defined’ | Yes | 3 % | 4 % |
Pain description ‘diffuse’ | Yes | 2 % | 8 % |
Pain description ‘burning’ | Yes | 6 % | 5 % |
Pain description ‘tingling’ | Yes | 7 % | 13 % |
Activity limitation domain | |||
SF36 physical function sum-score | Mean (SD) | 67.8 (SD 13.4) | 61.5 (SD 16.1) |
Diagnostic classification domain | |||
Danish Cardiologist’s Society | No angina | 49 % | 0 % |
classification ‘angina’ | Typical | 9 % | 56 % |
Atypical | 14 % | 30 % | |
Uncharacteristic | 28 % | 14 % | |
Unstable | 0 % | 0 % | |
Canadian Cardiovascular Society | Grade 0 | 67 % | 1 % |
classification | Grade 1 | 21 % | 47 % |
Grade 2 | 11 % | 46 % | |
Grade 3 | 0 % | 5 % | |
Palpation domain | |||
Sternoxiphoid springing tend | Yes | 21 % | 2 % |
Costosternal springing tenderness 2/3 right | Yes | 13 % | 4 % |
Costosternal springing tenderness 2/3 left | Yes | 15 % | 4 % |
Costosternal springing tenderness 3/4 right | Yes | 17 % | 3 % |
Costosternal springing tenderness 3/4 left | Yes | 23 % | 3 % |
Costosternal springing tenderness 4/5 right | Yes | 20 % | 1 % |
Costosternal springing tenderness 4/5 left | Yes | 40 % | 2 % |
Costosternal springing tenderness 5/6 right | Yes | 18 % | 1 % |
Costosternal springing tenderness 5/6 left | Yes | 32 % | 1 % |
sternoxiphoid springing pain | Yes | 5 % | 0 % |
Costosternal springing pain 2/3 right | Yes | 2 % | 1 % |
Costosternal springing pain 2/3 left | Yes | 3 % | 1 % |
Costosternal springing pain 3/4 right | Yes | 3 % | 1 % |
Costosternal springing pain 3/4 left | Yes | 6 % | 1 % |
Costosternal springing pain 4/5 right | Yes | 5 % | 0 % |
Costosternal springing pain 4/5 left | Yes | 15 % | 0 % |
Costosternal springing pain 5/6 right | Yes | 4 % | 0 % |
Costosternal springing pain 5/6 left | Yes | 13 % | 0 % |
Muscle tenderness pectoralis major left | Tenderness | 23 % | 54 % |
Costosternal springing pain 5/6 left | Pain | 6 % | 17 % |
Muscle tenderness pectoralis minor left | Tenderness | 31 % | 60 % |
Pain | 7 % | 7 % | |
Muscle tenderness intercostal 2/3 left | Tenderness | 18 % | 41 % |
Pain | 1 % | 3 % | |
Muscle tenderness intercostal 3/4 left | Tenderness | 23 % | 25 % |
Pain | 2 % | 1 % | |
Muscle tenderness intercostal 4/5 left | Tenderness | 29 % | 14 % |
Pain | 7 % | 1 % | |
Muscle tenderness intercostal 5/6 left | Tenderness | 32 % | 9 % |
Pain | 9 % | 0 % | |
Muscle tenderness intercostal 6/7 left | Tenderness | 21 % | 7 % |
Pain | 7 % | 0 % | |
Muscle tenderness pectoralis major right | Tenderness | 21 % | 55 % |
Pain | 3 % | 15 % | |
Muscle tenderness pectoralis minor right | Tenderness | 25 % | 54 % |
Pain | 2 % | 8 % | |
Muscle tenderness intercostal 2/3 right | Tenderness | 18 % | 39 % |
Pain | 2 % | 1 % | |
Muscle tenderness intercostal 3/4 right | Tenderness | 17 % | 23 % |
Pain | 1 % | 0 % | |
Muscle tenderness intercostal 4/5 right | Tenderness | 20 % | 11 % |
Pain | 1 % | 0 % | |
Muscle tenderness intercostal 5/6 right | Tenderness | 21 % | 7 % |
Pain | 2 % | 0 % | |
Muscle tenderness intercostal 6/7 right | Tenderness | 16 % | 6 % |
Pain | 2 % | 0 % | |
Tenderness c4/5 paraspinal posterior | Yes | 11 % | 5 % |
Tenderness c5/6 paraspinal posterior | Yes | 16 % | 6 % |
Tenderness c6/7 paraspinal posterior | Yes | 12 % | 5 % |
Tenderness c7/th1 paraspinal posterior | Yes | 7 % | 10 % |
Tenderness th1/2 paraspinal posterior | Yes | 14 % | 22 % |
Tenderness th2/3 paraspinal posterior | Yes | 27 % | 40 % |
Tenderness th3/4 paraspinal posterior | Yes | 32 % | 36 % |
Tenderness th4/5 paraspinal posterior | Yes | 35 % | 23 % |
Tenderness th5/6 paraspinal posterior | Yes | 35 % | 11 % |
Tenderness th6/7 paraspinal posterior | Yes | 31 % | 6 % |
Tenderness th7/8 paraspinal posterior | Yes | 22 % | 4 % |
Tenderness th8/9 paraspinal posterior | Yes | 16 % | 1 % |
Posterior vertebral springing th1/2 | Yes | 6 % | 4 % |
Posterior vertebral springing th2/3 | Yes | 9 % | 21 % |
Posterior vertebral springing th3/4 | Yes | 16 % | 25 % |
Posterior vertebral springing th4/5 | Yes | 14 % | 15 % |
Posterior vertebral springing th5/6 | Yes | 14 % | 7 % |
Posterior vertebral springing th6/7 | Yes | 14 % | 3 % |
Posterior vertebral springing th7/8 | Yes | 10 % | 3 % |
Posterior vertebral springing th8/9 | Yes | 11 % | 1 % |