Table 1 CSF temporal properties measured in supine and upright position
From: Upright versus supine MRI: effects of body position on craniocervical CSF flow
Measurements | Group Average | %Change from Upright | Paired t-test (p-value) | |
|---|---|---|---|---|
Upright | Supine | |||
Heart rate (BPM) | 76.09 ± 9.50 | 68.89 ± 10.83 | − 9.5 | 8.43E−05 |
Systolic fractional duration (%Cycle) | 30.9 ± 4.5 | 37.7 ± 6.4 | 22.6 | 1.89E−06 |
Diastolic fractional duration (%Cycle) | 69.1 ± 4.5 | 62.3 ± 6.4 | − 10.1 | 2.05E−06 |
Systolic duration (s) | 0.25 ± 0.05 | 0.34 ± 0.08 | 36.0 | 1.06E−07 |
Diastolic duration (s) | 0.55 ± 0.08 | 0.56 ± 0.12 | 1.8 | 0.78 |