Table 4.
Results of the logistic regression analysis for determining the potential risk factors of hypophosphatemia in very low birth weight infants.
| Predictor | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| Unadjusted OR | 95% CI | p value | Adjusted OR | 95% CI | p value | |
| Initial model | ||||||
| Birth weight | 1.00 | 0.999–1.00 | 0.201 | 1.00 | 0.999–1.00 | 0.228 |
| z score of birth weight | 1.60 | 1.04–2.47 | 0.034 | 1.39 | 0.853–2.25 | 0.187 |
| PIH | 0.27 | 0.0512–1.38 | 0.115 | 0.62 | 0.081–4.69 | 0.641 |
| UA-RI | 7.72E−04 | 1.14E−06–0.523 | 0.031 | 0.01 | 8.82E−06–17.60 | 0.236 |
| Amino acids | 0.65 | 0.144–2.92 | 0.573 | 0.96 | 0.155–5.88 | 0.961 |
|
| ||||||
| Final model | ||||||
| UA-RI | 7.72E−04 | 0.000–0.52 | 0.031 | |||
Significant associations (p < 0.05) are indicated in bold font. CI: confidence interval; OR: odds ratio; PIH: pregnancy-induced hypertension; UA-RI: umbilical artery resistance index.