Table 2.
Correlates of cFGF-23 Levels
| Variable | Univariate Analysis |
Multivariate Analysis |
||
|---|---|---|---|---|
| β | P Value | β | P Value | |
| Neonatal factors | ||||
| Gestational age (weeks) | 0.215 | .095 | 0.120 | .239 |
| Birth weight (kg) | 0.141 | .278 | ||
| Sex | −0.156 | .229 | ||
| Length (cm) | 0.155 | .243 | ||
| Cord blood glucose (mg/dl) | 0.430 | .001 | 0.347 | .005 |
| Cord blood C-peptide (ng/ml) | 0.407 | .002 | 0.363 | .002 |
| Ln ferritin | −0.242 | .064 | −0.261 | .011 |
| Lower first Apgar score | 0.094 | .489 | ||
| Maternal factors | ||||
| Multiparity | −0.248 | .054 | −0.165 | .150 |
| Delivery method (vaginal vs cesarean) | 0.066 | .611 | ||
| Maternal age (y) | 0.315 | .014 | 0.040 | .719 |
| Black race | −0.250 | .074 | −0.036 | .743 |
| Labor complication | 0.358 | .005 | 0.172 | .168 |
Analysis with linear regression, dependent variable Ln cFGF-23. Multivariate analysis including all factors with P < .10.
Abbreviation: Ln, natural log.