Table 3:
Autoregulation metrics and association with presence of DWI lesions.
| Total | DWI Absent | DWI Present | OR (CI) | P-value | |
|---|---|---|---|---|---|
|
| |||||
| PRx1 | |||||
|
| |||||
| Mean (SD) | 0.24 (0.24) | 0.17 (0.21) | 0.32 (0.24) | 18.24 (0.21-1556.43) | 0.201 |
|
| |||||
| CPPopt2 | |||||
|
| |||||
| Mean mmHg (SD) | 82.04 (13.61) | 84.46 (13.93) | 79.52 (12.82) | 0.97 (0.92-1.03) | 0.355 |
|
| |||||
| DeltaCPP3 | |||||
|
| |||||
| Mean mmHg (SD) | −1.71 (11.06) | 0.10 (11.29) | −3.59 (10.51) | 0.97 (0.93-1.01) | 0.087 |
|
| |||||
| LLA4 | |||||
|
| |||||
| Mean mmHg (SD) | 75.61 (11.58) | 77.06 (10.83) | 75.07 (11.80) | 0.99 (0.93-1.05) | 0.625 |
|
| |||||
| Time spent below LLA4 | |||||
|
| |||||
| Hours (Percentage of recording) | 220/686 (32.07%) | 51/347 (14.70%) | 169/339 (49.85%) | 5.77 (1.88-17.75) | 0.002 |
|
| |||||
| ULA5 | |||||
|
| |||||
| Mean mmHg (SD) | 86.64 (16.63) | 87.60 (15.58) | 86.09 (17.18) | 1.00 (0.94-1.05) | 0.843 |
|
| |||||
| Time spent above ULA5 | |||||
|
| |||||
| Hours (Percentage of recording) | 122/686 (17.78%) | 39/347 (11.24%) | 169/339 (24.48%) | 2.56 (0.73-9.01) | 0.143 |
3
Delta cerebral perfusion pressure,
4
lower limit of autoregulation,
2
optimal cerebral perfusion pressure,
1
pressure reactivity index,
5
upper limit of autoregulation