Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Multivariate regression model for foetal head moulding by the different study variables.
| Variable | Univariate model IRR | Final multivariate model: IRR (95% CI, P value) |
|---|---|---|
| Height (cm) | 1.00 | 0.97 (0.97 to 1.00, 0.05) |
| Birth weight | 1.38 | 1.90 (1.24 to 2.89, <0.01) |
| Ruptured membranes | 0.12 | 0.10 (0.03 to 0.32, <0.01) |
| Duration of active phase | 1.17 | 1.21 (1.12 to 1.31, <0.01) |
| Pelvis height (cm) | 0.92 | 0.88 (0.80 to 0.97, 0.01) |
