Table 2

Menstrual cycle disorders prevalence (OR and 95% CI).

Cases

Controls

OR (95% CI)

χ2

p



Menstrual cycle disorders

%

%


No

20

32.3

66

35.5

1.2 (0.6-2.3)

0.09

0.6456

Yes

42

67.7

120

64.5


Total

62

-

186

-


Amenorrhea


No

50

80.6

182

97.8

33 (7.2-151.8)

*

0.0000

Yes

12

19.4

4

2.2


Total

62

-

186

-


Oligomenorrhea


No

48

77.4

164

88.2

2.7 (1.1-6.4)

3.37

0.0412

Yes

14

22.6

22

11.8


Total

62

-

186

-


Hypomenorrhea


No

48

77.4

176

94.6

9.8 (3.3-29.4)

13.23

0.0001

Yes

14

22.6

10

5.4


Total

62

-

186

-


Polymenorrhea


No

57

91.9

179

96.2

3.28 (0.7-14.7)

1.12

0.01573

Yes

5

8.1

7

3.8


Total

62

-

186

-


Dysmenorrhea


No

32

51.6

126

67.7

2.3 (1.2-4.4)

4.61

0.0214

Yes

30

48.4

60

32.3


Total

62

-

186

-


Metrorrhagia


No

56

90.3

182

97.8

9.75 (1.9-50.6)

4.80

0.0106

Yes

6

9.7

4

2.2


Total

62

-

186

-


Menometrorrhagia


No

54

87.1

148

79.6

0.52 (0.2-1.3)

2.28

0.1859

Yes

8

12.9

38

20.4


Total

62

-

186

-


Pre-menstrual syndrome


No

32

51.6

97

52.2

1.02 (0.5-1.9)

0.0058

0.9394

Yes

30

48.4

89

47.8


Total

62

-

186

-


*Fischer's exact test used to assess p; 95% CI poorly accurate.

Martinelli et al. BMC Gastroenterology 2010 10:89   doi:10.1186/1471-230X-10-89

Open Data