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Table 1 Number of people in the IBS and non-IBS cohorts by age and sex, January 1996 through June 2002

From: Migraine, fibromyalgia, and depression among people with IBS: a prevalence study

 

IBS cohort

Non-IBS cohort

 

No. of People

Percent

No. of People

Percent

Female

    

   18–29

13,791

19.6

3,291

23.2

   30–39

16,435

23.3

3,409

24.1

   40–49

19,263

27.3

3,811

26.9

   50–64

18,837

26.7

3,430

24.2

   65+

2,149

3.0

229

1.6

Total

70,475

100

14,170

100

Male

    

   18–29

5,224

19.3

2,434

18.4

   30–39

6,972

25.7

3,094

23.4

   40–49

6,993

25.8

3,759

28.4

   50–64

6,925

25.5

3,638

27.5

   65+

1,004

3.7

307

2.3

Total

27,118

100

13,232

100

Total

    

   18–29

19,015

19.5

5,725

20.9

   30–39

23,407

24

6,503

23.7

   40–49

26,256

26.9

7,570

27.6

   50–64

25,762

26.4

7,068

25.8

   65+

3,153

3.2

536

2.0

Total

97,593

100

27,402

100