Table 2.
Total participants with a vasodilatation and vasoconstriction response at 3 months and 18 months after acute COVID-19.
| CAR Response at T2, 18 Months after Acute COVID-19 | ||||
|---|---|---|---|---|
| Dilatation | Constriction | Total | ||
| CAR response at T1, 3 months after acute COVID-19 | Dilatation | 111 | 13 | 124 |
| Constriction | 17 | 4 | 21 | |
| Total | 128 | 17 | 145 | |
| Constriction, n (%) | ||||
| 3 months after acute COVID-19 | 21 (14.5) | p = 0.584 † | ||
| 18 months after acute COVID-19 | 17 (11.7) | |||
| CAR%, mean ± SD | ||||
| 3 months after acute COVID-19 | 3.5 ± 4.7 | p = 0.001 ‡ | ||
| 18 months after acute COVID-19 | 2.7 ± 2.5 | |||
CAR = carotid artery reactivity, SD = standard deviation. † The change in the proportion of participants with vasoconstriction during the CAR test was tested using McNemar’s test. ‡ Changes in CAR% were compared using the Wilcoxon signed rank test.