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Obstetrics and Gynecology International
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Obstetrics and Gynecology International
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2021
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Article
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Tab 6
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Research Article
Relationship between Perineal Body Length and Degree of Perineal Tears in Primigravidas Undergoing Vaginal Delivery with Episiotomy
Table 6
Logistic regression analysis using backward method.
Variable
Value B
OR
95% CI
Lower
Upper
Perineal body length ≤ 3.0 cm
1.660
0.009
5.259
1.5
18.1
Head circumference ≥ 33.5 cm
1.885
0.002
6.589
2.0
21.7
Constant
–2.673