Table 2.

Comparison of mean and standard deviation of oxygen saturation in three groups

Group saturation Percent of oxygen	Magnesium sulfate Mean±SD	Dexmedetomidine Mean±SD	Placebo Mean±SD	P* ANOVA test
Elementary	98.48±1.30	98.51±1.06	98.69±1.38	0.076
5 minutes after surgery	98.36±1.34	98.39±1.08	98.24±1.27	0.871
10 minutes after surgery	98.45±1.34	98.45±1.09	98.30±1.42	0.855
15 minutes after surgery	98.45±1.30	98.45±1.22	98.60±1.27	0.698
20 minutes after surgery	98.39±1.36	98.36±1.22	98.60±1.19	0.636
25 minutes after surgery	98.36±1.49	98.36±1.27	98.63±1.24	0.636
30 minutes after surgery	98.27±1.48	98.54±1.09	98.15±1.22	0.638
35 minutes after surgery	98.18±1.48	98.27±1.25	98.45±1.50	0.803
40 minutes after surgery	98.30±1.46	98.15±1.22	98.09±1.30	0.935
45 minutes after surgery	98.21±1.47	98.27±1.17	98.15±1.34	0.862
50 minutes after surgery	98.24±1.43	98.30±1.23	98.12±1.45	0.493
55 minutes after surgery	98.27±1.30	98.48±1.20	97.63±1.22	0.839
60 minutes after surgery	98.24±1.29	98.36±1.24	98.18±1.26	0.627
65 minutes after surgery	98.39±1.14	98.54±1.14	98.12±1.36	0.470
70 minutes after surgery	98.36±1.14	98.09±1.30	97.81±1.33	0.171
75 minutes after surgery	98.39±1.17	98.09±1.28	98.30±1.40	0.527
80 minutes after surgery	98.39±1.27	98.12±1.36	98.24±1.39	0.323
85 minutes after surgery	98.57±1.17	9839±1.11	98.48±1.17	0.106
90 minutes after surgery	98.48±1.12	98.24±1.06	98.30±1.13	0.121
95 minutes after surgery	98.36±1.31	98.24±1.25	98.03±1.42	0.575
100 minutes after surgery	98.33±1.19	98.57±1.37	98.60±1.27	0.202
105 minutes after surgery	98.39±1.24	98.15±1.39	98.03±1.40	0.124
110 minutes after surgery	98.42±1.27	98.27±1.28	98.18±1.28	0.201
115 minutes after surgery	98.54±1.30	98.39±1.19	98.30±1.33	0.252
120 minutes after surgery	98.48±1.12	98.45±1.30	98.45±1.48	0.244

*ANOVA TEST