Table 4 Results of repeated measures analysis of variance.
| Variable | Time points* | Groups† | Time points by group | ||||||
|---|---|---|---|---|---|---|---|---|---|
| F | df | p Value | F | df | p Value | F | df | p Value | |
| SBP | 33.2 | 4 | <0.001 | 1.02 | 1 | 0.32 | 1.13 | 4 | 0.35 |
| DBP | 6.89 | 4 | <0.001 | 0.58 | 1 | 0.45 | 3.92 | 4 | 0.01 |
| MAP | 26.2 | 4 | <0.001 | 0.94 | 1 | 0.34 | 2.29 | 4 | 0.07 |
| SBFV | 3.34 | 4 | 0.01 | 7.72 | 1 | 0.01 | 0.70 | 4 | 0.59 |
| DBFV | 0.60 | 4 | 0.66 | 7.92 | 1 | 0.01 | 0.40 | 4 | 0.81 |
| MBFV | 0.77 | 4 | 0.55 | 8.78 | 1 | 0.01 | 0.55 | 4 | 0.70 |
| CVR | 2.90 | 4 | 0.03 | 4.27 | 1 | 0.05 | 2.31 | 4 | 0.06 |
| Etco2 | 0.43 | 4 | 0.79 | 0.15 | 1 | 0.70 | 1.25 | 4 | 0.29 |
| HR | 6.30 | 4 | <0.001 | 0.74 | 1 | 0.40 | 0.50 | 4 | 0.74 |
*Time points are baseline, noise, systolic blood pressure (SBP) nadir, overshoot and return to baseline; †Patients with carotid sinus syndrome controls.
CVR, cerebrovascular resistance; DBFV, diastolic blood flow velocity; DBP, diastolic blood pressure; Etco2, end‐tidal carbon dioxide concentration; HR, heart rate; MAP, mean arterial blood pressure; MBFV, mean cerebral blood flow velocity; SBFV, systolic blood flow velocity.