Table 8.
Arithmetic means of MCA flow rates ± SD (95% CI) at rest period 40 days and 300 days from the onset of COVID-19.
| Flow Rates during Resting Period in a Group of Subjects after COVID-19 Infection | ||||
|---|---|---|---|---|
| 40 Days | 300 Days | Difference | p * | |
| PSV (cm/s) | 109 ± 12 (103–115) |
106 ± 12.5 (101–112) |
−2.83 ± 2.4 (−2 to 0.35) |
0.156 |
| EDV (cm/s) | 53 ± 4 (51–55) |
52 ± 4.7 (51–54) |
−1.2 ± 1.1 (−1.2 to −0.69) |
0.021 |
| MV (cm/s) | 72 ± 7.4 (68–75) |
72 ± 7.1 (70–76) |
−0.5 ± 2.9 (−2.9 to −0.11) |
0.066 |
| RI | 0.52 ± 0.027 (0.51–0.54) |
0.52 ± 0.03 (0.50–0.53) |
−0.01 ± 0.02 (−0.02 to 0.0008) |
0.170 |
| PI | 0.75 ± 0.07 (0.73–0.79) |
0.74 ± 0.06 (0.75–0.82) |
−09 ± 0.02 (−1.02–−0.01) |
0.128 |
Legend: PSV—peak systolic velocity, EDV—end-diastolic velocity, MV—mean flow velocity, RI—resistance index, PI—pulsatility index. * t-test for dependent samples.