Table 4 Univariate and Multivariate logistical models of predictors of instrumental delivery
From: Epidural analgesia and its implications in the maternal health in a low parity comunity
Maternal characteristic | Instrumental delivery | Univariate analysis OR (95% IC) | p value | Instrumental delivery | Multivariate analysis OR (95% IC) | p value | |
|---|---|---|---|---|---|---|---|
Epidural analgesia | Yes | 3582/15821 (22.64) | 4.50 (4.03–5.03) | < 0.001 | 3582/15821 (22.64) | 3.27 (2.93–4.61) | < 0.001 |
No | 370/7362 (5.03) | Ref. | 370/7362 (5.03) | Ref. | |||
Age | Yes | 31.72 ± 4.14 | 0.798 | 31.72 ± 4.14 | 0.714 | ||
No | 31.13 ± 3.86 | Ref. | 31.13 ± 3.86 | Ref. | |||
Parity | Parity 1 | 2988/12242 (24.40) | 1.37 (0.88–2.13) | 0.152 | 2988/12242 (24.40) | 3.71 (1.14–12.00) | < 0001 |
Parity 2 | 950/8681 (10.94) | 2.95 (0.70–12.38) | 0.131 | 950/8681 (10.94) | Ref. | ||
3 or more | 14/2260 (0.52) | 4.05 (0.99–16.63) | 0.051 | 14/2260 (0.52) | Ref. | ||
Episiotomy | Yes | 3858/13155 (29.32) | 51.59 (41.27–64.49) | < 0.001 | 3858/13155 (29.32) | 51.59 (41.27–64.49) | 0.155 |
No | 80/10026 | Ref. | 80/10026 | Ref. | |||
New-born male | Yes | 2163/12092 (17.88) | 1.22 (1.13–1.30) | < 0.001 | 2163/12092 (17.88) | 1.22 (1.13–1.30) | 0.012 |
No | 1775/11091 (16.00) | Ref. | 1775/11091 (16.00) | Ref. | |||
Weight > 4000 g, | Yes | 157/1070 (14.67) | 0.83 (0.70–0.99) | 0.039 | 157/1070 (14.67) | 0.83 (0.70–0.99) | < 0.001 |
No | 3781/22113 (17.09) | Ref. | 3781/22113 (17.09) | Ref. |