PoTS (sympathetic, N =44; parasympathetic, N=25)
| Sympathetic dominant | Parasympathetic dominant | P value | |||
| No | % | No | % | ||
| PoTS | 22 | 45.5 | 12 | 48 | >0.05 |
| Fatigue period | |||||
| 6 month–2 years | 8 | 22.9 | 8 | 23.5 | >0.05 |
| 2–5 years | 14 | 40.0 | 12 | 35.3 | >0.05 |
| 5–10 years | 4 | 11.4 | 8 | 23.5 | 0.0492 |
| More than 10 years | 9 | 25.7 | 6 | 17.6 | >0.05 |
| Fatigue period IQR | 2–5 years | 6 month–2 years | |||
| Fatigue period in years IQR | 8 | 2.5 | |||
PoTS, postural tachycardia syndrome.