Table 1 Demographic characteristics of participants with PCC and healthy controls.

From: Functional brain abnormalities in post COVID-19 condition and their relationship with cognition

 

PCC (n = 121)

HC (n = 37)

Test stat/ p

Age in years, mdn (min–max)

52 (30–65)

54 (41–61)

 − 1.06/0.292

Education in years, mdn (min–max)

15 (8–24)

16 (9–21)

 − 0.51/0.609

Sex, female, n (%)

93 (76.9)

25 (67.6)

1.29/0.255

IQ (TAP), mdn (min–max)

106.00 (85–116)

106.00 (98–114)

− 0.97/0.333

Vaccine, yes, n (%)

103 (85.12)

26 (70.30)

4.41/0.036*

Hospitalization, n (%)

38 (31.4)

–

–

ICU, n (%)

21 (17.4)

–

–

Interval COVID-MRI (months), mdn (min–max)

18 (3–44)

–

–

  1. HC, healthy controls; ICU, intensive care unit; IQ, intelligence quotient; mdn, median; MRI, magnetic resonance imaging; PCC, post-COVID condition; TAP, Word Accentuation Test.
  2. Group differences were tested using independent Mann–Whitney U test for numerical variables and Pearson’s chi-squared test for categorical variables. *p-value < 0.05.
Back to article page