Table 4 Comparison between TCD parameters pre- and post-CSF withdrawal
| Â | Pre-CSF withdrawal (n = 40) | Post-CSF withdrawal (n = 40) | p value | |
|---|---|---|---|---|
PSV | Range (cm/s) | 76.5–141.12 | 56.89–112.6 | 0.001* |
Mean (cm/s) | 102.5 | 85.8 | ||
± SD (cm/s) | ± 21.1 | ± 14.7 | ||
EDV | Range (cm/s) | 23.97–49.54 | 29.5–58.89 | 0.015* |
Mean (cm/s) | 33.7 | 39.4 | ||
± SD (cm/s) | ± 7.0 | ± 6.1 | ||
RI | Range (cm/s) | 0.4–0.82 | 0.28–56.8 | 0.196 |
Mean (cm/s) | 0.7 | 2.8 | ||
± SD (cm/s) | ± 0.1 | ± 10.5 | ||
PI | Range (cm/s) | 0.5–1.4 | 0.32–1.06 | 0.019* |
Mean (cm/s) | 1.0 | 0.7 | ||
± SD (cm/s) | ± 0.2 | ± 0.2 | ||