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Table 1 Plasma magnesium concentrations

From: Effect of magnesium sulfate administration on blood–brain barrier in a rat model of intraperitoneal sepsis: a randomized controlled experimental study

Measurement Group (n) T0 T24 P
Plasma Mg (mM) C (8) 1.11 ± 0.05 1.10 ± 0.05 NS
  S (8) 1.09 ± 0.05 0.89 ± 0.06a,b 0.0078
  C-Mg (8) 1.10 ± 0.06 1.29 ± 0.06 0.0078
  S-Mg (8) 1.13 ± 0.03 1.01 ± 0.08c 0.0156
KW   2.708 26.863  
d.f.   3 3  
P   >0.05 <0.0001  
  1. Abbreviations: d.f., degrees of freedom; KW, Kruskal–Wallis test statistic; NS, not significant; P, approximate χ2 P value; T0, basal measurement; T24, measurement at 24 hours. Groups: sham control (C), sham control MgSO4-treated (C-Mg), septic (S) and septic MgSO4-treated (S-Mg). Data are expressed as means ± standard deviation.
  2. Dunn's multiple comparisons test: aseptic versus sham control, P < 0.05; bseptic versus sham control MgSO4-treated, P < 0.001; cseptic MgSO4-treated versus sham control MgSO4-treated, P < 0.01. Paired serum magnesium levels were compared within groups using a Wilcoxon signed rank test. Two-tailed P values are shown in the last column.