Compared with EBUS-TBNA , EUS-FNA was associated with a shorter duration of procedure ( median , @ min vs @ min ; P < @ ) , lower doses of IV midazolam ( mean , @ mg vs @ mg ; P = @ ) and intraairway lidocaine ( mean , @ mg vs @ mg ; P < @ ) , less frequent oxygen desaturations ( @ of @ vs two of @ , P < @ ) , and higher operator satisfaction ( P < @ ) .