Table 3.

Perioperative serum magnesium (mg/dl) in the studied groups

Variable	Group C	Group I	Group P	P	P1	P2	P3
M0	1.9±0.2	1.9±0.1	1.9±0.2	0.977
M1	1.9±0.2	2.9±0.2	2.1±0.3	<0.001*	<0.001*	0.001*	<0.001*
M2	1.9±0.3	2.0±0.1	2.1±0.2	<0.001*	0.139	<0.001*	<0.001*
M3	1.9±0.2	1.9±0.2	2.0±0.1	0.155

Data presented as mean±SD. P presented the comparison among the three groups. P1 presented the comparison between Group C and Group I. P2 presented the comparison between Group C and Group P. P3 presented the comparison between Group I and Group P. *Denoted statistically signficant difference (P<0.05)