Table 2 Risk factors associated with shivering during cesarean section
Risk factors | Univariate logistic regression | Multivariate logistic regression | ||
|---|---|---|---|---|
Odds ratio (95% CI) | P | Odds ratio (95% CI) | P | |
Age | 0.90 (0.84–0.96) | 0.002 |  |  |
Operating room entry time | 1.28 (0.87–1.88) | 0.021 |  |  |
Anxiety | 2.05 (1.24–3.38) | 0.005 | 1.77 (1.01–3.12) | 0.048 |
Visual analog scale | 4.10 (2.01–8.36) | < 0.001 |  |  |
Electivea vs. emergency | 5.27 (2.91–9.52) | < 0.001 | 2.90 (1.45–5.79) | 0.003 |
From warda vs. delivery room | 8.21 (3.29–18.29) | < 0.001 | 3.83 (1.52–9.66) | 0.004 |
Dilation of cervix | 1.59 (1.26–2.00) | < 0.001 |  |  |
Labor analgesia | 7.61 (3.14–18.42) | < 0.001 |  |  |
Time of labor analgesia | 1.28 (1.12–1.46) | < 0.001 |  |  |
Rupture of membranes | 4.60 (2.44–8.68) | < 0.001 |  |  |
Time from membrane rupture | 1.02 (0.99–1.04) | 0.205 |  |  |
Labor stage | ||||
 Not in labora | 2.81 (1.77–4.47) | < 0.001 |  |  |
 Latent period | 2.66 (1.32–5.38) | 0.007 |  |  |
 Active period | 13.53 (2.94–62.31) | 0.001 |  |  |
 Second stage of labor | 8.33 (0.91–76.48) | 0.061 |  |  |
Time of labor entry | 1.12 (1.05–1.20) | < 0.001 |  |  |
Operation indications | 1.14 (1.02–1.27) | 0.019 |  |  |