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Table 1 Characteristics of cases of endometriosis and controls

From: Lack of an association human dioxin detoxification gene polymorphisms with endometriosis in Japanese women: results of a pilot study

Study cohort

Cases

Controls

Number of patients

100

143

Age (years)a

38 ± 4.8

43 ± 12.3

Endometriosis stageb

  Stage I

27 (27.0)

 

  Stage II

10 (10.0)

 

  Stage III

31 (31.0)

 

  Stage IV

32 (32.0)

 

Smoking (%)c

14.7

14.7

Body mass indexd

20.6 ± 3

21.5 ± 3

  1. aMean and standard deviation (SD) of 100 cases and 143 controls
  2. bNumber of patients, with the percentage (of 100 cases) given in parenthesis
  3. cSmoking rates for 34 cases and 34 controls
  4. dMean and standard deviation for 32 cases and 30 controls
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Environmental Health and Preventive Medicine

ISSN: 1347-4715

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