Table 1 Multivariable associations for multinomial antepartum prediction model, predicting the risk of operative delivery
From: A generic nomogram for multinomial prediction models: theory and guidance for construction
| Â | IVD-FD vs spont. | CS-FD vs spont. | IVD-FTP vs spont. | CS-FTP vs spont. | ||||
|---|---|---|---|---|---|---|---|---|
| Â | \(\hat {\beta }_{jk}\) | OR(95% CI) | \(\hat {\beta }_{jk}\) | OR(95% CI) | \(\hat {\beta }_{jk}\) | OR(95% CI) | \(\hat {\beta }_{jk}\) | OR(95% CI) |
Intercept | −13.1 |  | −15.6 |  | −11.1 |  | −15.4 |  |
Maternal age, years | 0.029 | 1.03 (1.01, 1.05) | 0.052 | 1.05 (1.02, 1.09) | 0.054 | 1.06 (1.03, 1.08) | 0.056 | 1.06 (1.04, 1.08) |
Gestational age, weeks | 0.26 | 1.29 (1.18, 1.41) | 0.32 | 1.38 (1.22, 1.56) | 0.038 | 1.04 (0.95, 1.13) | 0.13 | 1.14 (1.05, 1.24) |
Nulliparous | 2.05 | 7.79 (5.26, 11.5) | 1.13 | 3.09 (2.09–4.55) | 3.39 | 29.7 (17.2–51.1) | 2.65 | 14.1 (9.78–20.3) |
Previous caesarean delivery | 1.77 | 5.87 (3.70, 9.32) | 1.06 | 2.88 (1.74, 4.76) | 2.39 | 10.9 (5.92, 20.1) | 2.23 | 9.34 (6.17, 1.41) |
Neonatal female gender | −0.19 | 0.83 (0.67, 1.03) | −0.5 | 0.61 (0.45, 0.83) | −0.25 | 0.78 (0.63, 0.96) | −0.013 | 0.99 (0.81, 1.20) |
Birthweight, 100-g increments | −0.059 | 0.94 (0.92, 0.97) | −0.079 | 0.92 (0.89, 0.96) | 0.083 | 1.09 (1.06, 1.11) | 0.12 | 1.12 (1.10, 1.15) |
Maternal diabetes mellitus | 0.32 | 1.37 (0.65, 2.91) | 0.99 | 2.69 (1.29, 5.60) | −0.24 | 0.79 (0.35, 1.76) | 0.87 | 2.38 (1.44, 3.95) |