Fewer water flushes -LSB- mean @ times ( range : @-@ times ) in Group A vs @ times ( range : @-@ times ) in Group B , P < @ -RSB- in the pronase premedication group did not affect the endoscopic procedure times -LSB- mean @ s ( range : @-@ s ) for Group A vs @ s ( range : @-@ s ) for Group B , P = @ -RSB- .