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Table 3 Incidence rate ratio of diseases along with sex and number of episodes of uveitis

From: Recurrent anterior uveitis and subsequent incidence of ankylosing spondylitis: a nationwide cohort study from 2002 to 2013

Subgroup

Group

No. of AS

Person-years

IR

IRR (95% CI)

P value

By age

 < 40 years

Control subjects

11

86,359

12.7

1 (reference)

 

All uveitis

32

15,430

207.4

17.64 (8.87–35.09)

< 0.001

Recurrent uveitis

12

2461

487.5

46.78 (19.61–111.61)

< 0.001

 40–59 years

Control subjects

16

87,723

18.2

1 (reference)

 

All uveitis

19

15,745

120.7

6.70 (3.44–13.06)

< 0.001

Recurrent uveitis

8

2994

267.2

15.12 (6.41–35.65)

< 0.001

 > 59 years

Control subjects

17

85,785

19.8

1 (reference)

 

All uveitis

6

15,739

38.1

1.90 (0.75–4.81)

0.178

Recurrent uveitis

1

2119

47.2

2.46 (0.33–18.53)

0.382

By sex

 Male

Control subjects

29

142,124

20.4

1 (reference)

 

All uveitis

33

25,678

128.5

6.34 (3.84–10.44)

< 0.001

Recurrent uveitis

12

4224

284.1

14.38 (7.28–28.41)

< 0.001

 Female

Control subjects

15

117,744

12.7

1 (reference)

 

All uveitis

24

21,235

113.0

9.54 (4.99–18.24)

< 0.001

Recurrent uveitis

9

3350

268.7

23.61 (10.05–55.47)

< 0.001

  1. Abbreviations: AS Ankylosing spondylitis, IR Incidence rate per 100,000 person-years, IRR Incidence rate ratio