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Table 2  Odds ratios for various treatments for patients with and without chronic fatigue syndrome

From: Treatments of chronic fatigue syndrome and its debilitating comorbidities: a 12-year population-based study

Variable

N

Control

CFS

Odds ratio

n

%

n

%

Crude (95% CI)

p-value

Adjusted (95% CI)

p-value

SSRI

     

2.33 (2.05,2.66)***

< 0.001

1.70 (1.48,1.95)***

< 0.001

 No

11,471

5946

52

5525

48

    

 Yes

1141

360

32

781

68

    

SNRI

     

2.22 (1.77,2.78)***

< 0.001

1.52 (1.20,1.93)***

< 0.001

 No

12,260

6195

51

6065

49

    

 Yes

352

111

32

241

68

    

SARI

     

2.21 (1.95,2.52)***

< 0.001

1.56 (1.35,1.78)***

< 0.001

 No

11,451

5927

52

5524

48

    

 Yes

1161

379

33

782

67

    

TCAs

     

1.79 (1.42,2.28)***

< 0.001

1.37 (1.07,1.76)*

0.01

 No

12,310

6197

50

6113

50

    

 Yes

302

109

36

193

64

    

BZD

     

2.13 (1.98,2.29)***

< 0.001

1.70 (1.57,1.84)***

< 0.001

 No

5368

3260

61

2108

39

    

 Yes

7244

3046

42

4198

58

    

NDRI

     

2.42 (1.67,3.51)***

< 0.001

1.59 (1.08,2.36)*

0.02

 No

12,476

6266

50

6210

50

    

 Yes

136

40

29

96

71

    

NaSSA

     

2.02 (1.57,2.59)***

< 0.001

1.28 (0.98,1.67)

0.08

 No

12,331

6212

50

6119

50

    

 Yes

281

94

33

187

67

    

Muscle relaxant

     

1.80 (1.49,2.19)***

< 0.001

1.52 (1.24,1.86)***

< 0.001

 No

12,150

6139

51

6011

49

    

 Yes

462

167

36

295

64

    

Analgesic drug

     

12.44 (10.12,15.3)***

< 0.001

9.55 (7.72,11.81)***

< 0.001

 No

1173

1071

91

102

9

    

 Yes

11,439

5235

46

6204

54

    

Supportive individual psychotherapy

     

1.90 (1.63,2.21)***

< 0.001

1.28 (1.09,1.51)**

0.003

 No

11,837

6032

51

5805

49

    

 Yes

775

274

35

501

65

    

Supportive group psychotherapy

     

2.29 (1.52,3.45)***

< 0.001

1.52 (0.99,2.35)

0.057

 No

12,504

6273

50

6231

50

    

 Yes

108

33

31

75

69

    

Intensive individual psychotherapy

     

3.95 (2.20,7.12)***

< 0.001

2.73 (1.47,5.04)**

0.001

 No

12,543

6292

50

6251

50

    

 Yes

69

14

20

55

80

    

Intensive group psychotherapy

     

2.13 (0.92,4.93)

0.078

1.57 (0.65,3.78)

0.318

 No

12,587

6298

50

6289

50

    

 Yes

25

8

32

17

68

    

Re-educative individual psychotherapy

    

2.01 (1.72,2.36)***

< 0.001

1.31 (1.11,1.56)**

0.002

 No

11,881

6057

51

5824

49

    

 Yes

731

249

34

482

66

    

Re-educative group psychotherapy

     

2.30 (1.37,3.84)**

0.002

1.49 (0.87,2.56)

0.149

 No

12,543

6285

50

6258

50

    

 Yes

69

21

30

48

70

    

Behavior modification assessment

         

 No

12,612

6306

50

6306

50

    

 Yes

0

0

0

0

0

    

Behavior modification planning

     

1.60 (1.02,2.54)*

0.043

1.15 (0.71,1.86)

0.582

 No

12,534

6276

50

6258

50

    

 Yes

78

30

38

48

62

    

Stretching exercise

     

1.44 (1.26,1.64)***

< 0.001

1.26 (1.10,1.45)***

< 0.001

 No

11,600

5884

51

5716

49

    

 Yes

1012

422

42

590

58

    

Therapeutic exercise

     

1.47 (1.33,1.63)***

< 0.001

1.33 (1.19,1.47)***

< 0.001

 No

10,768

5535

51

5233

49

    

 Yes

1844

771

42

1073

58

    

Breathing exercise

     

1.04 (0.82,1.32)

0.758

0.92 (0.71,1.18)

0.506

 No

12,343

6174

50

6169

50

    

 Yes

269

132

49

137

51

    

Reconditioning exercise

     

1.30 (0.94,1.79)

0.108

1.19 (0.85,1.67)

0.310

 No

12,456

6238

50

6218

50

    

 Yes

156

68

44

88

56

    

Multiple physical examinations of sleep

     

1.48 (1.10,2.00)*

0.011

1.07 (0.78,1.47)

0.676

 No

12,434

6234

50

6200

50

    

 Yes

178

72

40

106

60

    

Brainwave examination, sleep or wakefulness

     

1.60 (1.44,1.77)***

< 0.001

1.40 (1.25,1.55)***

< 0.001

 No

10,825

5590

52

5235

48

    

 Yes

1787

716

40

1071

60

    

Brainwave examination for sleep disorders

         

 No

12,612

6306

50

6306

50

    

 Yes

0

0

0

0

0

    
  1. CFS: chronic fatigue syndrome; N: total number of subjects the subgroups; n: number of subjects; CI: confidence interval; SSRI: selective serotonin receptor inhibitors; SNRI: serotonin norepinephrine Reuptake Inhibitors; SARI: serotonin antagonist and reuptake inhibitors; TCAs: tricyclic antidepressant; MAOi: Monoamine oxidase inhibitors; BZD: benzodiazepine; *P < .05, **P < .01, ***P < .001