Research Article
A Combined Ultrasonic Backscatter Parameter for Bone Status Evaluation in Neonates
Table 5
Correlations between gestational age, anthropometric indices, and biochemical markers.
| | Variables | Spearman r | | Gestational age | Birth weight | Length | Head circumference | Alkaline phosphatase | Calcium | Phosphorus |
| | Gestational age | 1 | — | — | — | — | — | — | | Birth weight | 0.90a | 1 | — | — | — | — | — | | Length | 0.86a | 0.93a | 1 | — | — | — | — | | Head circumference | 0.91a | 0.96a | 0.91a | 1 | — | — | — | | Alkaline phosphatase | –0.38a | –0.29a | –0.28a | –0.28a | 1 | — | — | | Calcium | 0.43a | 0.39a | 0.35a | 0.38a | –0.12b | 1 | — | | Phosphorus | –0.30a | –0.17a | –0.19a | –0.21a | 0.13b | –0.04c | 1 |
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aP < 0.001;bP < 0.01; c not significant, P = 0.338.
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