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Table 1 Summary of demographic features of CFS patients in South Korea

From: Nationwide epidemiological characteristics of chronic fatigue syndrome in South Korea

Items

Total

Male

Female

F/M ratio

Entire population

50,812,880 ± 522,785

25,389,442 ± 227,238

25,423,437 ± 295,787

Mean N. of new CFS patients

22,720 ± 3,284

9,122 ± 1,152

13,598 ± 2176

1.49-folds

Incidence rate (per 105)

(95% confidence interval)

In 2010 vs. 2020 year

(Change during 11-yrs)

44.71 ± 6.10

[40.57; 48.76]

32.43 vs. 49.47

(1.53-folds)

35.93 ± 4.30

[33.01; 38.79]

26.97 vs. 37.90

(1.41-folds)

53.49 ± 8.05

[48.00; 58.82]

37.90 vs. 60.98

(1.61-folds)

1.49-folds*

[1.43; 1.54]

Mean N. of recorded CFS patients

29,320 ± 6,456

11,747 ± 2,344

17,573 ± 4,132

1.50-folds

Prevalence rate (per 105)

(95% confidence interval)

In 2010 vs. 2020 year

(Change during 11-yrs)

57.70 ± 12.20

[49.40; 65.79]

36.15 vs. 76.10

(1.94-folds)

46.27 ± 8.88

[40.23; 52.17]

30.29 vs. 53.80

(1.78-folds)

69.12 ± 15.55

[58.52; 79.41]

42.03 vs. 86.31

(2.05-folds)

1.49-folds*

[1.44; 1.53]

Mean treatment duration

(month)

9.13

[4.63; 13.63]

8.15

[1.73; 14.57]

9.80

[3.41; 16.19]

1.20-folds

  1. The mean data resulted from 11-year recorded cases between 2010 and 2020. *, P < 0.001