| Table 5: The association between umbilical serum IGF-1 levels and LBW. Values are n (%). | |||
| Umbilical serum IGF-1 levels | Cases (n=29) | Controls (n=29) | OR (95% CI) |
| Low (<32.6 ng/dL) | 17 (59) | 4 (14) | 8.9 (2.4 to 32.1) |
| High (≥32.6 ng/dL) | 12 (41) | 25 (86) | |
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