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Table 2 Comparison of the means/medians of dietary calcium intake, total serum calcium level and ionized calcium levels in case and control groups

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

Variable Cases
(n = 42)
Controls
(n = 42)
P
Total serum calcium level (mmol/l), (mean ± SD) 1.99 ± 0.35 2.19 ± 0.22 0.007
Ionized calcium level (mmol/l), (mean ± SD) 1.1 ± 0.11 1.2 ± 0.13 0.000
Dietary calcium (gram/24 h), (median, IQR) 704, 458–1183 1115,753–1878 0.049
  1. SD Standard deviation, IQR Interquartile range, n Number