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Table 1 Sociodemographic data and clinical status

From: Dysautonomia and small fiber neuropathy in post-COVID condition and Chronic Fatigue Syndrome

 

HC

(n = 50)

M (SD)

ME/CFS (n = 50)

M (SD)

Post-COVID (n = 87)

M(SD)

Statistics

Bonferroni (p)

ME/CFS vs post-COVID

ME/CFS vs HC

Post-COVID vs HC

Age, years

42.3 (9.9)

44.1 (8.5)

45.6 (9.4)

H = 3.6

   

Education, years

16.7 (2.5)

14.59 (4.1)

16.3 (3.3)

H = 10.7**

0.042

0.004

 

Female, n (%)

40 (80.0)

45 (90.0)

62 (71.3)

χ2 = 6.7*

   

Disease duration, months

52.4 (50.4)

13.7 (6.9)

U = 3696.0***

   

COMPASS 31

3.8 (4.6)

25.4 (10.5)

19.6 (8.9)

H = 96.2***

0.039

 < 0.001

 < 0.001

SFNSL

2.1 (3.4)

34.7 (15.7)

26.6 (14.4)

H = 96.8***

 

 < 0.001

 < 0.001

Karnofsky scale

99.0 (3.6)

68.9 (8.8)

73.1 (8.4)

H = 118.4***

 

 < 0.001

 < 0.001

SF-36

85.7 (9.7)

29.1 (15.0)

40.4 (17.0)

H = 108.5***

0.016

 < 0.001

 < 0.001

MFIS

10.5 (11.8)

68.1 (12.8)

63.4 (15.2)

H = 106.8***

 

 < 0.001

 < 0.001

PSQI

5.1 (3.0)

12.6 (5.0)

10.7 (4.5)

H = 59.2***

 

 < 0.001

 < 0.001

STAI-State

11.9 (10.2)

30.2 (16.0)

27.3 (13.9)

H = 44.9***

 

 < 0.001

 < 0.001

STAI-Trait

13.0 (9.4)

24.6 (16.0)

16.4 (13.6)

H = 14.7***

0.007

0.001

 

GDS

1.1 (11.5)

9.3 (3.4)

7.0 (3.8)

H = 95.1***

0.025

 < 0.001

 < 0.001

C-SSRS

0.0 (0.0)

1.2 (1.9)

0.2 (0.5)

H = 34.1***

 < 0.001

 < 0.001

 
  1. *p ≤ 0.05; **p ≤ 0.01; ***p ≤ 0.001. COMPASS: The Composite Autonomic Symptom Score; C-SSRS: Columbia Suicide Severity Rating Scale; GDS: Geriatric Depression Scale; H: Kruskal–Wallis test; HC: healthy controls; ME/CFS: Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, MFIS: Modified Fatigue Impact Scale; PSQI: Pittsburgh Sleep Quality Index; SF-36: The 36-Item Short Form Health Survey; SFNSL: Small Fiber Neuropathy Screening List; STAI: State-Trait Anxiety Inventory