Table 2

Birth percentages and monthly odds ratios with 95%CI for each and all immune-mediated diseases

Month

All immune-mediated diseases

Multiple sclerosis

Rheumatoid arthritis

Birth %

OR

95% CI

Birth %

OR

95% CI

Birth %

OR

95% CI


Jan

8.63

1.02 +

0.99 to 1.04

8.51

1.01

0.97 to 1.05

8.44

0.99

0.95 to 1.03

Feb

7.90

1.01

0.99 to 1.04

7.76

0.99

0.95 to 1.03

7.94

1.02

0.98 to 1.06

Mar

8.88

1.00

0.98 to 1.02

8.67

0.97

0.93 to 1.01

8.99

1.01

0.98 to 1.05

Apr

8.77

1.05 +

1.02 to 1.07

8.79

1.05 +

1.002 to 1.09

8.78

1.05 +

1.01 to 1.08

May

8.83

1.01

0.99 to 1.03

9.41

1.08 +

1.04 to 1.13

8.64

0.99

0.95 to 1.03

Jun

8.44

1.01

0.99 to 1.04

8.70

1.04

1.01 to 1.09

8.47

1.02

0.98 to 1.06

Jul

8.49

0.99

0.97 to 1.01

8.51

0.99

0.95 to 1.04

8.37

0.98

0.94 to 1.01

Aug

8.16

0.97 -

0.95 to 0.99

8.20

0.98

0.94 to 1.02

8.14

0.97 -

0.93 to 1.00

Sep

8.12

1.00

0.97 to 1.02

7.94

0.96

0.92 to 1.01

8.10

1.00

0.96 to 1.03

Oct

8.05

0.95 -

0.92 to 0.97

8.08

0.96 -

0.92 to 1.00

8.20

0.96 -

0.93 to 0.99

Nov

7.61

0.98

0.96 to 1.00

7.43

0.96 -

0.91 to 1.00

7.65

0.99

0.95 to 1.02

Dec

8.11

1.01

0.99 to 1.03

8.01

1.00

0.96 to 1.04

8.30

1.04 +

1.00 to 1.07


Month

Ulcerative colitis

Systemic lupus erythematosus

Crohn's disease

Birth %

OR

95% CI

Birth %

OR

95% CI

Birth %

OR

95% CI


Jan

8.63

1.02

0.97 to 1.06

9.57

1.14 +

1.03 to 1.27

8.99

1.06 +

1.01 to 1.11

Feb

8.07

1.04 +

0.99 to 1.09

7.86

1.00

0.90 to 1.13

7.84

1.01

0.96 to 1.06

Mar

8.90

1.00

0.96 to 1.05

8.75

0.98

0.88 to 1.09

8.94

1.01

0.96 to 1.06

Apr

8.92

1.06 +

1.02 to 1.11

8.85

1.05

0.95 to 1.18

8.54

1.02

0.97 to 1.07

May

8.73

1.00

0.96 to 1.05

9.71

1.12 +

1.01 to 1.24

8.40

0.96 -

0.91 to 1.01

Jun

8.25

0.99

0.94 to 1.04

7.61

0.90

0.81 to 1.02

8.44

1.02

0.97 to 1.07

Jul

8.44

0.99

0.94 to 1.03

8.58

1.00

0.90 to 1.12

8.75

1.03

0.98 to 1.08

Aug

8.15

0.97 -

0.93 to 1.02

8.40

1.00

0.90 to 1.12

8.13

0.97

0.92 to 1.02

Sep

8.18

1.00

0.96 to 1.05

7.51

0.91 -

0.81 to 1.02

8.45

1.04 +

0.99 to 1.10

Oct

7.91

0.93 -

0.88 to 0.97

7.93

0.94

0.84 to 1.05

7.89

0.92 -

0.87 to 0.97

Nov

7.69

0.99

0.95 to 1.04

7.09

0.91 -

0.81 to 1.03

7.78

1.00

0.95 to 1.06

Dec

8.13

1.01

0.97 to 1.06

8.13

1.02

0.91 to 1.14

7.84

0.97

0.93 to 1.03


+ and - indicate highest and lowest odds ratios, respectively. CI: confidence intervals; OR: odds ratio.

Disanto et al. BMC Medicine 2012 10:69   doi:10.1186/1741-7015-10-69

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