Table 1
Correlation between indices of growth and gestational age, GH:IGF-I ratio and IGF-I:IGFBP-3 ratio
| Indices of growth | Fetal weight | Abdominal circumference | Femoral length |
|---|---|---|---|
| Correlation index | GA r = 0.931-150 | GA r = 0.941-150 | GA r = 0.901-150 |
| GH:IGF-I r = -0.811-150 | GH:IGF-I r = -0.801-150 | GH:IGF-I r = -0.801-150 | |
| IGF-I:IGFBP-3 r = 0.53** | IGF-I:IGFBP-3 r = 0.53** | IGF-I:IGFBP-3 r = 0.53** | |
| Multiple regression | GA R2 = 0.921-150, SE = 0.09, PRC = 0.89 |
GA R2 = 0.921-150, SE = 0.03, PRC = 0.88 |
GA R2= 0.841-150, SE = 0.05, PRC = 0.78 |
| GH:IGF-I R2 = 0.951-150, SE = 0.07, PRC = −0.59 |
GH:IGF-I R2 = 0.941-150, SE = 0.03, PRC = −0.51 |
GH:IGF-I R2 = 0.891-150, SE = 0.04, PRC = −0.54 |
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GA = Gestational Age; SE = Standard Error; PRC = Partial Correlation Coefficient.
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↵1-150 P < 0.0001, ** P < 0.001.
