Table 2. Baseline Clinical Characteristics of the Study Groups.
| Tilt training responder group (n=52) | Tilt training non-responder group (n=5) | p value | |
|---|---|---|---|
| Age (yrs) | 32.9±13.3 | 44.4±13.2 | 0.071 |
| Male gender | 25 (48.1) | 1 (20.0) | 0.362 |
| Height (cm) | 168.6±8.9 | 160.7±10.0 | 0.067 |
| Weight (kg) | 63.4±10.9 | 60.6±14.2 | 0.604 |
| BMI (kg/m2) | 22.3±3.4 | 23.2±3.0 | 0.466 |
| Frequency of syncope before diagnosis | 5.2±5.7 | 5.0±3.0 | 0.439 |
| Type of NMS | 0.323 | ||
| Mixed | 13 (25.0) | 1 (20.0) | |
| Cardioinhibitory | 2 (3.8) | 1 (20.0) | |
| Vasodepressive | 37 (71.2) | 3 (60.0) | |
| Phase of positive diagnostic HUT | 0.364 | ||
| Passive | 19 (36.5) | 3 (60.0) | |
| Isoproterenol | 33 (63.5) | 2 (40.0) | |
| Duration of initial diagnostic HUT (min) | 30.3±12.7 | 28.6±9.9 | 0.597 |
| Total number of tilt training session | 5.5 (4.0-6.8) | 6.0 (5.0-8.0) | 0.265 |
| Total time of tilt training (min) | 214.0 (175.8-263.5) | 237.0 (144.5-301.5) | 0.854 |
| Mean time of tilt training (min) | 39.7±6.0 | 34.5±5.6 | 0.071 |
BMI, body mass index; NMS, neurally mediated syncope; HUT, head-up tilt test.
Data are presented as mean±SD, number (%), or median value (interquartile range).