Clinical characteristics in subjects with carotid sinus hypersensitivity who tested positive to carotid sinus massage in supine and head up tilt positions
| Characteristic | Supine (n = 153) | Head up (n = 70) | p Value |
| Age (median) (years) | 75 | 76 | 0.9 |
| Sex | 0.89 | ||
| Female | 80 (54%) | 39 (56%) | |
| Male | 70 (46%) | 31 (44%) | |
| Syncope incidence | 90 (58.8%) | 37 (52.8%) | 0.07 |
| Previous fractures | 25 (16.3%) | 14 (20.0%) | 0.57 |
| Ischaemic heart disease | 35 (22.9%) | 21 (30.0%) | 0.32 |
| Hypertension | 37 (24.2%) | 16 (22.9%) | 0.87 |
| Cerebrovascular disease | 21 (13.7%) | 7 (10.0%) | 0.52 |
| Current smoker | 68% | 60% | 0.29 |