Clinical characteristics of the three groups of patients with syncope
|
Head up tilt+ (n = 77) | Head up tilt+ ATP+ (n = 26) | p Value 1-150 | ATP+ (n = 18) | p Value 1-151 | |
| Age (years) (mean (SD)) | 45 (20) | 58 (18) | 0.004 | 68 (10) | 0.0001-152 |
| Women (%) | 39 (51%) | 19 (73%) | 0.03 | 11 (61%) | NS |
| Associated diseases | |||||
| Systemic hypertension | 4 (5%) | 4 (15%) | NS | 4 (22%) | 0.04 |
| Structural heart diseases | 10 (13%) | 8 (31%) | 0.004 | 5 (28%) | NS |
| ECG abnormalities | 7 (9%) | 5 (19%) | NS | 5 (28%) | 0.05 |
| History of syncopal episodes | |||||
| Total number (median (interquartile range)) | 3 (2 to 5) | 4 (2 to 5) | NS | 2 (1 to 3) | 0.041-152 |
| Duration (months) (median (interquartile range)) | 36 (6 to 120) | 42 (6 to 72) | NS | 4 (1 to 12) | 0.0031-152 |
| Situational symptoms | 14 (18%) | 4 (15%) | NS | 2 (11%) | NS |
| Vasovagal symptoms | 23 (30%) | 5 (19%) | NS | 0 (0%) | 0.004 |
| Triggering factors | 22 (29%) | 2 (8%) | 0.02 | 0 (0%) | 0.005 |
| > 1 of the above findings | 49 (64%) | 8 (31%) | 0.004 | 2 (11%) | 0.000 |
| Warnings | 55 (71%) | 18 (69%) | NS | 8 (44%) | 0.03 |
| Presyncopal episodes | 29 (38%) | 12 (46%) | NS | 4 (22%) | NS |
| Secondary trauma | 32 (42%) | 12 (46%) | NS | 8 (44%) | NS |
| > 1 episode supine/sitting | 19 (25%) | 9 (35%) | NS | 1 (6%) | NS (0.06)1-152 |
| > 1 episode standing | 66 (86%) | 22 (85%) | NS | 17 (94%) | NS |