From: Phase-contrast magnetic resonance imaging in evaluation of hydrocephalus in pediatric patients
Diagnosis | ||||||
---|---|---|---|---|---|---|
Aqueduct stenosis | Communicating hydrocephalus | Atrophy | Dandy–Walker variant | Arnold–Chiari malformation | Control | |
PDV (cm/s) | ||||||
Range | 0.8–1.2 | 7.9–11 | 1.1–6.03 | 0.8 | 0.9–1.3 | 2.92–6.03 |
Mean ± SD | 0.97 ± 0.142 | 9.233 ± 1.595 | 1.5 ± 1.156 | 0.8 | 1.033 ± 0.231 | 4.428 ± 1.156 |
T | − 9.389 | 5.853 | − 4.212 | − 2.992 | − 4.910 | |
P value | < 0.001* | < 0.001* | 0.001* | < 0.015* | < 0.001* | |
PSV (cm/s) | ||||||
Range | 0.6–1 | 7.5–9 | 0.8–6 | 1.45 | 1.2–1.4 | 2.7–6 |
Mean ± SD | 0.86 ± 0.165 | 8.1 ± 0.794 | 1.4 ± 1.076 | 1.45 | 1.267 ± 0.115 | 4.56 ± 1.076 |
T | − 10.747 | 5.218 | − 4.808 | − 2.755 | − 5.133 | |
P value | < 0.001* | < 0.001* | 0.001* | < 0.022* | < 0.001* | |
MV (cm/s) | ||||||
Range | 0.6–1 | 7.85–10.1 | 1–4.45 | 1.1 | 1.05–1.35 | 2–4.45 |
Mean ± SD | 0.875 ± 0.134 | 8.683 ± 1.233 | 1.3 ± 0.782 | 1.1 | 1.150 ± 0.173 | 3.493 ± 0.782 |
T | − 10.438 | 8.948 | − 4.636 | − 2.919 | − 5.006 | |
P value | < 0.001* | < 0.001* | 0.001* | < 0.017* | < 0.001* | |
MSF (m/s) | ||||||
Range | – | 0.1–0.2 | 0.02–0.06 | – | 0.02–0.03 | 0.03–0.06 |
Mean ± SD | – | 0.15 ± 0.05 | 0.027 ± 0.011 | – | 0.023 ± 0.006 | 0.049 ± 0.011 |
T | – | 6.521 | − 3.055 | – | − 3.802 | |
P value | – | < 0.001* | 0.011* | – | 0.003* | |
SV (µL) | ||||||
Range | – | 44.6–80 | 5–8 | – | 5–9 | 15–33 |
Mean ± SD | – | 61.53 ± 17.75 | 6.667 ± 1.528 | – | 6.333 ± 2.309 | 21.475 ± 5.898 |
T | – | 6.572 | − 4.186 | – | − 4.240 | |
P value | – | < 0.001* | 0.002* | – | 0.001* |