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Table 1 Doctor-diagnosed depression in ankylosing spondylitis (AS) patients (n = 1,738) compared with the general population seeking healthcare (n = 967,012)

From: The risk for depression in patients with ankylosing spondylitis: a population-based cohort study

 

Observed

Expected

   
 

Person time (years)

Number of cases1

Depression rate2

Number of cases

Depression rate2

Absolute rate differences2

Rate ratio3

95% CI

Men, all

6,983

89

1,275

60

853

421

1.49

1.20, 1.89

≤50 years

2,879

42

1,376

27

933

443

1.47

1.10, 1.93

>50 years

4,104

47

1,155

31

759

396

1.52

1.07, 2.10

Women, all

3,259

83

2,547

46

1,409

1,138

1.81

1.44, 2.24

≤50 years

1,274

39

2,825

20

1,546

1,279

1.83

1.35, 2.42

>50 years

1,984

44

2,244

25

1,260

984

1.78

1.24, 2.48

Total, all

10,242

172

1,679

105

1,030

649

1.63

1.40, 1.89

≤50 years

4,153

83

1,825

47

1,123

702

1.63

1.32, 1.98

>50 years

6,089

89

1,512

56

923

588

1.64

1.28, 2.06

  1. 1AS patients diagnosed with depression (ICD-10 code F32 or F33) in 1999 to 2011. 2Per 100,000 person-years. 3Bold figures indicate statistically significant results.