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. 2023 Dec 21;11(2):302–320. doi: 10.1002/acn3.51952

Table 1.

Sociodemographic characteristics and comorbidities of the PCC and HC groups.

ICU‐PCC H‐PCC M‐PCC HC F p η 2 Post hoc Bonferroni
n = 81 n = 80 n = 207 n = 124
Mean (SD) Mean (SD) Mean (SD) Mean (SD)
Age (years) 52.82 (8.47) 53.24 (8.68) 47.55 (9.54) 46.78 (10.03) 13.907 0.0001 0.079 ICU > HC
ICU > M
H > HC
H > M
Education (years) 13.14 (3.14) 13.28 (3.46) 14.33 (3.24) 15.73 (3.31) 14.681 0.0001 0.083 HC > ICU
HC > H
HC > M
M > ICU
Estimated IQ a 99.68 (8.44) 100.98 (7.64) 101.43 (10.12) 104.96 (6.66) 6.921 0.0001 0.077 HC > ICU
HC > H
HC > M
Time since onset to assessment (months) 8.8 (3.8) 10.10 (5) 12.09 (6.7) 10.225 0.0001 0.053 M > ICU
M > H
N (%) N (%) N (%) N (%) χ 2 p
Sex (female) 38 (46.9) 40 (50) 165 (79.7) 93 (75) 44.498 0.0001
Gross salary (year) 27.400 0.007
<14,922€ 27 (33.3) 20 (25) 38 (18.4) 15 (12.2)
14,922–24,869€ 19 (23.5) 25 (31.3) 64 (30.9) 34 (27.6)
24.869–34.817€ 21 (25.9) 18 (22.5) 61 (29.5) 31 (25.2)
34,817–39,790€ 2 (2.5) 7 (8.8) 22 (10.6) 19 (15.4)
>39,790€ 12 (14.8) 10 (12.5) 22 (10.6) 24 (19.5)
Change in employment status 35 (14.8) 29 (36.3) 79 (38.2) 11 (8.9) 39.800 0.0001
Comorbidities
Heart disease 3 (3.7) 3 (3.8) 5 (2.4) 2 (1.6)
Respiratory disease 13 (16) 11 (13.8) 26 (12.6) 6 (4.8) 7.743 0.052
High blood pressure 24 (29.6) 13 (16.3) 16 (7.7) 5 (4) 36.778 0.0001
Dyslipidemia 18 (22.2) 14 (17.5) 19 (9.2) 12 (2.4) 11.537 0.009
Diabetes mellitus 5 (6.2) 7 (8.8) 1 (0.5) 3 (2.4)
Obesity 44 (55.7) 28 (34.9) 34 (17.6) 14 (12.8) 62.892 0.0001
Chronic liver disease 3 (3.7) 3 (3.8) 1 (0.5) 0
Tobacco smoking 4 (4.9) 4 (5) 19 (9.2) 29 (23.4) 25.279 0.0001

HC, healthy control; ICU, intensive care unit; PCC, post‐COVID condition.

a

Intelligence quotient estimated using Word Accentuation Test.