Table 3 Area ratio and hydraulic resistance for the fits and segmentation
From: Sizes and shapes of perivascular spaces surrounding murine pial arteries
Area ratio | Segmentation | Ellipse | Polynomial | Spline | |
|---|---|---|---|---|---|
Peak | 1.12 | 2.08 | 1.21 | 1.48 | |
25th percentile | 1.21 | 2.26 | 1.45 | 1.45 | |
50th percentile | 1.88 | 2.89 | 2.15 | 1.58 | |
75th percentile | 3.00 | 3.96 | 3.42 | 1.75 | |
IQR | 1.79 | 1.70 | 1.97 | 0.3 | |
Hydraulic resistance | Segmentation | Ellipse | Polynomial | Spline | Annulus |
|---|---|---|---|---|---|
(Pa s/m\(^{4}\)) | |||||
Peak | 2.51\(\times 10^{15}\) | 9.36\(\times 10^{14}\) | 1.80\(\times 10^{15}\) | 1.61\(\times 10^{16}\) | 2.01\(\times 10^{15}\) |
25th percentile | 2.70\(\times 10^{15}\) | 1.08\(\times 10^{15}\) | 2.53\(\times 10^{15}\) | 1.55\(\times 10^{16}\) | 1.66\(\times 10^{15}\) |
50th percentile | 4,96\(\times 10^{15}\) | 2.24\(\times 10^{15}\) | 4.45\(\times 10^{15}\) | 4.39\(\times 10^{16}\) | 4.30\(\times 10^{15}\) |
75th percentile | 1.84\(\times 10^{16}\) | 7.11\(\times 10^{15}\) | 1.39\(\times 10^{16}\) | 8.16\(\times 10^{16}\) | 1.45\(\times 10^{16}\) |
IQR | 1.04\(\times 10^{15}\) | 4.53\(\times 10^{15}\) | 9.32\(\times 10^{15}\) | 5.86\(\times 10^{15}\) | 8.04\(\times 10^{15}\) |