Table 2.
Results of estimating pulsatile ICP based on Transfer function from each individual.
| PatID | N 6-sec time windows | Original invasive static and pulsatile ICP | Absolute differences between original ICP and estimated non-invasive pulsatile ICP | |||||
|---|---|---|---|---|---|---|---|---|
| Mean ICP (mmHg) | MWA (mmHg) | MWRT (sec) | MWRTC (mmHg/sec) | MWA (mmHg) | MWRT (sec) | MWRTC (mmHg/sec) | ||
| 1 | 462 | 3.5 ± 1.7 | 4.2 ± 0.4 | 0.23 ± 0.02 | 18.8 ± 1.4 | 1.6 ± 0.5 | 0.05 ± 0.03 | 8.9 ± 2.1 |
| 2 | 666 | 8.6 ± 3.6 | 5.3 ± 1.5 | 0.20 ± 0.04 | 27.6 ± 7.0 | 2.3 ± 1.8 | 0.15 ± 0.05 | 12.7 ± 8.3 |
| 3 | 409 | 6.1 ± 1.3 | 8.0 ± 0.9 | 0.26 ± 0.01 | 31.1 ± 3.4 | 1.6 ± 1.1 | 0.02 ± 0.02 | 7.4 ± 4.4 |
| 4 | 1044 | 33.9 ± 8.6 | 19.9 ± 7.8 | 0.31 ± 0.04 | 64.7 ± 29.6 | 8.0 ± 6.7 | 0.07 ± 0.04 | 32.2 ± 27.2 |
| 5 | 682 | 13.4 ± 3.7 | 3.8 ± 0.9 | 0.25 ± 0.03 | 15.7 ± 3.2 | 1.5 ± 1.0 | 0.11 ± 0.04 | 7.9 ± 4.7 |
| 6 | 321 | 6.1 ± 0.9 | 3.3 ± 0.2 | 0.19 ± 0.01 | 18.6 ± 1.0 | 0.9 ± 0.6 | 0.02 ± 0.02 | 6.1 ± 3.0 |
| 7 | 906 | 21.6 ± 3.5 | 4.5 ± 0.8 | 0.11 ± 0.03 | 8.2 ± 12.8 | 2.4 ± 0.7 | 0.10 ± 0.06 | 35.5 ± 9.8 |
| 8 | 557 | 0.8 ± 0.8 | 2.4 ± 0.5 | 0.12 ± 0.03 | 23.5 ± 4.4 | 1.2 ± 0.5 | 0.16 ± 0.06 | 19.3 ± 4.8 |
| 9 | 624 | 2.9 ± 2.2 | 6.2 ± 0.8 | 0.29 ± 0.02 | 21.4 ± 3.8 | 0.7 ± 0.6 | 0.04 ± 0.02 | 4.2 ± 2.9 |
| 10 | 771 | 16.4 ± 5.6 | 5.7 ± 1.3 | 0.21 ± 0.02 | 27.0 ± 5.0 | 3.0 ± 1.6 | 0.11 ± 0.04 | 17.8 ± 6.9 |
| 11 | 1311 | 4.9 ± 0.6 | 3.7 ± 0.3 | 0.10 ± 0.02 | 39.7 ± 3.0 | 1.2 ± 0.6 | 0.03 ± 0.03 | 16.9 ± 7.2 |
| 12 | 601 | 18.1 ± 2.8 | 7.8 ± 0.5 | 0.21 ± 0.01 | 37.7 ± 2.7 | 3.4 ± 1.1 | 0.04 ± 0.03 | 19.8 ± 5.6 |
| 13 | 1134 | 6.3 ± 1.3 | 2.4 ± 0.2 | 0.14 ± 0.04 | 20.1 ± 3.9 | 0.8 ± 0.4 | 0.09 ± 0.04 | 13.4 ± 4.5 |
| 14 | 239 | 19.5 ± 2.0 | 7.2 ± 0.9 | 0.26 ± 0.03 | 28.8 ± 4.3 | 1.8 ± 1.1 | 0.04 ± 0.03 | 8.8 ± 4.4 |
| 15 | 750 | 7.9 ± 3.4 | 5.6 ± 1.2 | 0.13 ± 0.05 | 49.9 ± 11.7 | 2.4 ± 1.1 | 0.11 ± 0.06 | 33.4 ± 12.8 |
| 16 | 524 | 1.2 ± 1.3 | 3.4 ± 0.5 | 0.18 ± 0.05 | 25.2 ± 7.0 | 1.2 ± 0.5 | 0.09 ± 0.05 | 16.7 ± 6.8 |
| 17 | 227 | 6.3 ± 1.3 | 3.0 ± 0.4 | 0.12 ± 0.03 | 28.6 ± 4.0 | 1.2 ± 0.6 | 0.16 ± 0.05 | 21.8 ± 4.6 |
| 18 | 2460 | 13.8 ± 2.9 | 7.5 ± 1.3 | 0.24 ± 0.02 | 32.1 ± 5.1 | 2.3 ± 1.6 | 0.07 ± 0.03 | 11.2 ± 6.8 |
| 19 | 330 | 9.7 ± 1.6 | 6.2 ± 0.7 | 0.18 ± 0.02 | 35.8 ± 5.0 | 1.2 ± 0.7 | 0.05 ± 0.03 | 12.1 ± 5.7 |
| 20 | 1722 | 14.1 ± 2.1 | 7.7 ± 1.3 | 0.21 ± 0.04 | 42.0 ± 8.4 | 3.6 ± 2.2 | 0.07 ± 0.05 | 21.1 ± 13.7 |
| 21 | 265 | 11.7 ± 2.7 | 13.8 ± 1.9 | 0.23 ± 0.01 | 61.7 ± 8.4 | 3.4 ± 2.4 | 0.06 ± 0.02 | 23.1 ± 11.6 |
| 22 | 498 | 10.7 ± 2.2 | 4.5 ± 0.6 | 0.16 ± 0.03 | 32.9 ± 7.9 | 2.1 ± 0.8 | 0.08 ± 0.03 | 22.7 ± 7.3 |
| 23 | 559 | 3.3 ± 2.2 | 3.5 ± 0.5 | 0.21 ± 0.03 | 18.5 ± 3.8 | 1.2 ± 0.5 | 0.07 ± 0.04 | 10.3 ± 3.9 |
| 24 | 347 | 2.7 ± 2.3 | 6.2 ± 0.8 | 0.22 ± 0.01 | 27.7 ± 3.6 | 1.0 ± 0.8 | 0.03 ± 0.02 | 6.3 ± 4.3 |
| 25 | 2957 | 9.1 ± 2.4 | 4.3 ± 0.7 | 0.16 ± 0.03 | 28.4 ± 4.0 | 1.6 ± 0.9 | 0.14 ± 0.05 | 19.1 ± 6.0 |
| 26 | 420 | 12.9 ± 2.1 | 9.0 ± 0.6 | 0.25 ± 0.01 | 36.2 ± 2.4 | 1.7 ± 0.9 | 0.04 ± 0.02 | 11.1 ± 3.6 |
| 27 | 2782 | 8.2 ± 2.0 | 5.8 ± 1.0 | 0.26 ± 0.02 | 22.0 ± 3.8 | 3.3 ± 1.1 | 0.10 ± 0.03 | 15.4 ± 4.2 |
| 28 | 791 | 42.0 ± 4.7 | 16.9 ± 4.0 | 0.17 ± 0.03 | 103.6 ± 22.2 | 4.1 ± 3.1 | 0.07 ± 0.04 | 36.7 ± 23.3 |
| AVG ± STD | 11.3 ± 9.4 | 6.5 ± 4.2 | 0.20 ± 0.06 | 34.6 ± 18.3 | 2.2 ± 1.5 | 0.08 ± 0.04 | 16.9 ± 9.1 | |
| SUM | 24,359 | |||||||
MWA: Mean Wave Amplitude. MWRT: Mean Wave Rise Time, MWRTC: Mean Wave Rise Time Coefficient.