Table 1 Demographics and comorbidities of study participants

From: Cerebral microstructural alterations in Post-COVID-condition are related to cognitive impairment, olfactory dysfunction and fatigue

 

Post-COVID- Condition (PCC; n = 89)

Unimpaired Post-COVID (UPC; n = 38)

Healthy Controls (HC; n = 46)

 

Demographic data

n (%) or median [IQR]; range

(%) or median [IQR]; range

(%) or median [IQR]; range

P value

 Age (years)

49 [23]; 19 to 72

42 [24]; 25 to 62

44 [31]; 21 to 80

0.2192a

 Sex (male/female)

34 (38)/55 (62)

13 (34)/25 (66)

23 (50)/23 (50)

0.281b

 Δ positive PCR - cMRI (days)

254 [209]; 90 to 710

227 [292]; 145 to 943

NA

0.626a

Comorbidities

n (%)

n (%)

n (%)

P valuec

 Achalasia

0 (0%)

0 (0%)

1 (2%)

0.485

 Adipositas

12 (14%)

3 (8%)

0 (0%)

0.017

 Arterial hypertension

19 (21%)

4 (10%)

0 (0%)

<0.001

 Asthma/COPD

8 (9%)

1 (3%)

1 (2%)

0.238

 Atrial fibrillation

1 (1%)

0 (0%)

0 (0%)

0.999

 Chronic kidney failure

1 (1%)

0 (0%)

0 (0%)

0.999

 Coronary heart disease

3 (3%)

1 (3%)

1 (2%)

0.999

 Deep vein thrombosis

0 (0%)

0 (0%)

1 (2%)

0.485

 Diabetes

5 (6%)

1 (3%)

0 (0%)

0.256

 Gout

0 (0%)

0 (0%)

1 (2%)

0.485

 History of depression

9 (10%)

2 (5%)

0 (0%)

0.06

 History of ischemic stroke

2 (2%)

0 (0%)

0 (0%)

0.725

 Fibromyalgia

0 (0%)

0 (0%)

1 (2%)

0.485

 Hyperthyreosis

0 (0%)

0 (0%)

1 (2%)

0.485

 Hypothyreosis

9 (8%)

6 (16%)

3 (6%)

0.366

 Malignancy

3 (3%)

0 (0%)

5 (11%)

0.051

 Migraine

10 (11%)

1 (3%)

0 (0%)

0.023

 Obstructive sleep apnoea

7 (8%)

0 (0%)

0 (0%)

0.041

 Peripheral arterial occlusive disease

1 (1%)

0 (0%)

0 (0%)

0.999

 Restless legs syndrome

2 (2%)

0 (0%)

0 (0%)

0.725

 Rheumatoid arthritis

0 (0%)

0 (0%)

1 (2%)

0.485

 Spinal disc herniation

0 (0%)

0 (0%)

1 (2%)

0.485

  1. An extended version of this table with further statistical details can be found in the Supplementary Data 1.
  2. aKruskal–Wallis-Test.
  3. bX²-Test.
  4. cFisher’s Exact Test.