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Table 3 Duration of shivering, 4 segments block regressions and motor block

From: Magnesium sulfate intravenous infusion versus intrathecal injection for prevention of post-spinal shivering during lower limb fracture surgery: a randomized controlled study

Variable Group Mean SD *P value
Duration of shivering (minutes) T 24.86 7.411 0.092
M 20.47 6.61
C 45 36.2 **P value ***P value
0.015 0.008
Duration of 4 segments block regressions (minutes) T 60.67 7.8 0.15
M 57.78 10.14
C 58.6 10.4 **P value ***P value
0.185 0.655
Duration of motor block (minutes) T 56 5.8 0.09
M 54.4 7.93
C 55.78 8.13 **P value ***P value
0.81 0.16
  1. Data are presented as means and standard deviation (SD)
  2. *P value (for group T versus M)
  3. **P value (for group C vs T),
  4. ***P value (for group C vs M). P value < 0.05 is significant