Table 1. Demographic Characteristics of the Participants and the Duration of Operation^a.

Group	Age, y	BMI	Gender (F:M)	Duration of Operation
Sufentanil	32.29 ± 10.22	25.95 ± 2.99	23:12	122.65 ± 11.36
Magnesium	31.21 ± 11.27	25.14 ± 3.61	21:14	121.88 ± 33.42
P Value	0.655	0.924	0.605	0.710

^aData are presented as mean ± SD (P < 0.05).