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Table 4 Correlation between total serum calcium, ionized calcium levels and dietary calcium intake

From: Association of dietary calcium intake, total and ionized serum calcium levels with preeclampsia in Ethiopia

Variable Ionized calcium level, mmol/l Dietary calcium amount, gm/day
P r P r
Total serum calcium level, mmol/l 0.004 0.307 0.352 0.103
Dietary calcium amount, gm/day 0.521 0.071   
  1. PP-value, r correlation coefficient