Table 2 Abnormalities identified across visits (n = 38 patients with abnormality at any time)
From: Physiological assessment of orthostatic intolerance in chronic fatigue syndrome
First visit | Second visit | Third visit |
|---|---|---|
Normal | Normal | POSH |
Normal | Normal | OH |
Normal | Normal | Supine ↓CO2 |
Normal | POSH | |
Normal | POSH | |
Normal | POTS | Normal |
POSH | Normal | Normal |
POSH | Normal | Normal |
POSH | Normal | |
POSH | Normal | Normal |
POSH | POSH | Normal |
POSH | POSH | |
POSH | POSH | Supine ↓CO2 |
POSH | OH | Normal |
POSH | POTS/POSH/OH | POTS/POSH |
POSH | Supine ↓CO2 | |
POSH | Supine ↓CO2/OH | |
POSH | ||
POSH | ||
POSH | ||
POSH | ||
POSH | ||
POTS | Normal | |
POTS | POSH | POSH |
POTS | OH | Normal |
POTS | ||
POTS/POSH | POSH | POSH |
POTS/POSH | POSH | |
POTS/POSH | POTS | POSH |
POTS/POSH | Supine ↓CO2 /POTS | POTS/POSH |
Supine ↓CO2 | POSH | |
Supine ↓CO2 | POSH | |
Supine ↓CO2 | POSH | |
Supine ↓CO2 | Supine ↓CO2 | |
OH | POSH/OH | |
POTS/POSH/OH | Supine ↓CO2 | Supine ↓CO2/OH |
Supine ↓CO2/OH | POSH | POTS/POSH |
Supine ↓CO2/OH/POTS | POSH | POSH |