Table 2.
Results of testing. Data are expressed as mean (sd)
| QASAT scores | Controls | PASC | POTS | P (Controls-PASC-POTS) | P (PASC-POTS) |
|---|---|---|---|---|---|
| N | 11 | 15 | 15 | ||
| Sympathetic sudomotor (ESC), range 0–6 | 0.0 (0.0) | 1.5 (1.3) | 1.7 (1.8) | 0.397 | 0.776 |
| Parasympathetic cardiovagal (Deep breathing), range 0–3 | 0.0 (0.0) | 0.4 (0.5) | 0.4 (0.7) | 0.113 | 0.904 |
| Increased heart rate response to tilt, range 0–10 | 0.0 (0.0) | 2.3 (3.5) | 8.6 (1.2) | 0.202 | < 0.001 |
| Sympathetic adrenergic (Valsalva maneuver), range 0–3 | 0.0 (0.0) | 1.6 (0.6) | 1.3 (1.0) | < 0.001 | 0.246 |
| Sympathetic adrenergic (Tilt), range 0–10 | 0.0 (0.0) | 0.7 (2.2) | 0.5 (1.2) | 0.436 | 0.782 |
| Cerebral blood flow response to tilt, range 0–10 | 0.0 (0.0) | 6.3 (2.7) | 7.3 (2.5) | < 0.001 | 0.284 |
| Cerebral blood flow, total, range 0–11 | 0.0 (0.0) | 7.1 (2.5) | 8.1 (2.3) | < 0.001 | 0.312 |
| pET-CO2, range 0–10 | 0.0 (0.0) | 1.6 (2.7) | 6.0 (3.5) | 0.026 | 0.001 |
| Autonomic failure, range 0–24 | 0.0 (0.0) | 8.0 (5.1) | 12.9 (3.2) | < 0.001 | 0.005 |
| ENFD, range 0–8 | 0.0 (0.0) | 2.1 (2.4) | 1.5 (2.2) | 0.005 | 0.466 |
| SGNFD, range 0–8 | 0.0 (0.0) | 1.5 (2.4) | 0.8 (1.5) | 0.016 | 0.439 |
| Total, range 0–54 | 0.0 (0.0) | 20.9 (8.8) | 29.5 (5.2) | < 0.001 | 0.005 |