Research Article
ABO and Rhesus Blood Groups and Risk of Endometriosis in a French Caucasian Population of 633 Patients Living in the Same Geographic Area
Table 1
Distribution of ABO and Rh blood groups in women with and without endometriosis.
| | Endometriosis (%) | Controls (%) | Crude OR (95% CI) | aOR (95% CI)a | valueb |
| ABO groups | | | | | | A | 148 (47.5) | 139 (43.2) | 1.20 (0.86–1.68) | 1.18 (0.82–1.70) | 0.270 | AB | 10 (3.0) | 10 (3.1) | 1.10 (0.45–2.80) | 1.24 (0.47–3.29) | 0.780 | B | 32 (10.3) | 36 (11.2) | 1.01 (0.58–1.70) | 1.04 (0.58–1.80) | 0.980 | O | 121 (38.9) | 137 (42.6) | 1 | | | Rhesus | | | | | | Negative | 72 (23.1%) | 49 (15.2) | 1.27 (1.07–1.52) | 1.90 (1.20–2.90) | 0.011 | Positive | 239 (76.9%) | 273 (84.8) | 1 | | | Total | 311 | 322 | | | |
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aLogistic binary regression (age, pain, BMI, blood type and rhesus, parity, and gestity); aOR: adjusted odds ratio.
bPearson chi-square.
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