Table 3 Cox model with hazard ratios and 95% confidence intervals of Chronic fatigue syndrome associated with comorbidities

4.64

1.00 (reference)

–

1.00 (reference)

–

6.53

1.43 (1.06, 1.91)*

0.0173

1.08 (0.8, 1.44)

0.6134

4.46

1.00 (reference)

–

1.00 (reference)

–

7.08

1.59 (1.54, 1.65)***

< 0.001

1.05 (1.01, 1.09)*

0.0133

4.36

1.00 (reference)

–

1.00 (reference)

–

8.75

2.01 (1.95, 2.08)***

< 0.001

1.32 (1.27, 1.37)***

< 0.001

4.53

1.00 (reference)

–

1.00 (reference)

-

8.33

1.83 (1.75, 1.92)***

< 0.001

1.07 (1.01, 1.13)*

0.0126

4.23

1.00 (reference)

–

1.00 (reference)

–

7.90

1.87 (1.81, 1.92)***

< 0.001

1.29 (1.24, 1.33)***

< 0.001

4.64

1.00 (reference)

–

1.00 (reference)

–

5.15

1.2 (0.79, 1.82)

0.3981

0.65 (0.42, 0.98)*

0.0409

4.21

1.00 (reference)

–

1.00 (reference)

–

7.06

1.68 (1.63, 1.72)***

< 0.001

1.22 (1.18, 1.25)***

< 0.001

4.64

1.00 (reference)

–

1.00 (reference)

–

5.88

1.27 (1.1, 1.45)***

< 0.001

1.01 (0.88, 1.16)

0.8833

4.65

1.00 (reference)

–

1.00 (reference)

–

4.57

0.98 (0.83, 1.16)

0.8347

0.85 (0.72, 1)

0.0511

4.62

1.00 (reference)

–

1.00 (reference)

–

5.86

1.27 (1.18, 1.36)***

< 0.001

1.06 (0.99, 1.14)

0.0855

4.50

1.00 (reference)

–

1.00 (reference)

–

7.00

1.55 (1.49, 1.61)***

< 0.001

1.16 (1.11, 1.21)***

< 0.001

4.41

1.00 (reference)

–

1.00 (reference)

–

7.44

1.7 (1.64, 1.76)***

< 0.001

1.1 (1.06, 1.14)***

< 0.001

4.52

1.00 (reference)

–

1.00 (reference)

–

7.69

1.7 (1.63, 1.77)***

< 0.001

1.15 (1.1, 1.21)***

< 0.001

4.61

1.00 (reference)

–

1.00 (reference)

–

6.66

1.44 (1.34, 1.54)***

< 0.001

1.21 (1.13, 1.3)***

< 0.001

4.62

1.00 (reference)

–

1.00 (reference)

–

10.46

2.27 (2.06, 2.52)***

< 0.001

1.54 (1.39, 1.71)***

< 0.001

4.23

1.00 (reference)

–

1.00 (reference)

–

6.97

1.64 (1.6, 1.69)***

< 0.001

1.29 (1.26, 1.33)***

< 0.001