There were no significant differences in chest compression depth ( 39 vs. 38 mm , p = .214 ) , compression rate ( 113 vs. 116 min , p = .065 ) , no-flow ratio ( 0.15 vs. 0.15 , p = .618 ) , or ventilation rate ( 8.2 vs. 7.7 min , p = .120 ) between the two conditions .
