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Variable importance in projection (VIP) coefficients for 24-h urine hydration biomarkers in the partial least squares (PLS) model.
| VIP > 0.8 | VIP < 0.8 | ||
|---|---|---|---|
| 24-h urine volume | 1.41 | 24-h urine potassium concentration | 0.84 |
| 24-h urine osmolality | 1.17 | 24-h urine pH | 0.45 |
| 24-h urine-specific gravity | 0.91 | ||
| 24-h urine sodium concentration | 0.98 | ||
| 24-h urine chloride concentration | 0.98 | ||
