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Table 3 Serum magnesium concentrations (mmol/l) in three groups

From: Effects of different doses of magnesium sulfate on pneumoperitoneum-related hemodynamic changes in patients undergoing gastrointestinal laparoscopy: a randomized, double-blind, controlled trial

 

T1

T3

T7

P0 value

Group S

0.96 ± 0.06

0.93 ± 0.06

0.91 ± 0.05

<  0.001

Group L

0.96 ± 0.07

1.50 ± 0.11

1.07 ± 0.11

Group H

0.98 ± 0.12

2.01 ± 0.13

1.38 ± 0.13

P1

0.929

<  0.001

<  0.001

 

95% CI

− 0.05~ 0.06

− 0.65~ − 0.51

− 0.23 ~ − 0.09

P2

0.377

<  0.001

<  0.001

95% CI

− 0.08~ 0.03

−1.15~ −1.02

− 0.54~ − 0.41

P3

0.331

<  0.001

< 0.001

95% CI

−0.08~ 0.03

− 0.57 ~ − 0.43

−0.37 ~ − 0.25

  1. Values were expressed as mean ± SD. P0:difference within group variation. P1: significance of difference between group S and group L; P2: significance of difference between group S and group H; P3: significance of difference between group L and group H