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Table 5 Univariate and Multivariate logistical models of predictors of abnormal foetal head position at delivery

From: Epidural analgesia and its implications in the maternal health in a low parity comunity

Maternal characteristic   Abnormal foetal position head al delivery Univariate analysis OR (95% IC) p value Abnormal foetal position 'head al delivery Multivariate analysis OR (95% IC) p value
Epidural analgesia Yes 522/15821 (3.30) 1.64 (1.36–1.97) < 0.001 522/15821 (3.30) 1.43 (1.27–1.72) < 0.001
No 150/7362 (2.04) Ref.   150/7362 (2.04) Ref.  
Age Yes 32.78 ± 4.08   0.863 32.85 ± 4.05 0.824 (0.76–1.32) 0.825
No 31.91 ± 5.10 Ref.   31.86 ± 5.05   
Parity Parity 1 58/12242 (0.47) 1.37 (0.88–2.13) 0.152 58/12242 (0.47) 3.71 (1.14–12.00) 0.125
Parity 2 30/8681 (0.35) 2.95 (0.70–12.38) 0.131 30/8681 (0.35) Ref.  
3 or more 3/2260 (0.13) 4.05 (0.99–16.63) 0.051 3/2260 (0.13) Ref.  
Instrumental delivery Yes 11/441 (2.49) 0.12 (0.06–0.22) < 0.001 11/441 (2.49) 0.12 (0.06–0.22) < 0.001
No 3927/22742 (17.26) Ref.   3927/22742 (17.26) Ref.  
Episiotomy Yes 92/441 (20.86) 0.19 (0.15–0.24) < 0.001 92/441 (20.86) 0.19 (0.15–0.24) 0.148
No 13,063/22742 (57.43) Ref.   13,063/22472 (57.43) Ref.  
Newborn masculine Yes 224/12092 (1.85) 0.94 (0.74–1.14) 0.562 224/12092 (1.85) 0.94 (0.74–1.14) 0.780
No 217/11091 (1.95) Ref.   217/11091 (1.95) Ref.  
Weight > 4000 g, Yes 10/1070 (0.93) 0.47 (0.25–0.89) 0.020 10/1070 (0.93) 0.47 (0.25–0.89) < 0.051
No 431/22113 (1.94) Ref.   431/22113 (1.94) Ref.