Document Classification

Section Type: RESULTS

Text: The ventilation volume and the percentage of oxygen and carbon dioxide delivered by each technique were as follows (mean + / - SD) : Mouth-to mouth (760 + / - 290 mL, 17 + / - 1 % O2, 3. 4 + / - 0. 4 % CO2), mouth-to-mask (910 + / - 350 mL, 41 + / - 8 % O2, 2. 5 + / - 0. 4 % CO2), bag-valve - (soft) mask (550 + / - 230 mL, 94 + / - 3 % O2, 0. 03 + / - 0. 02 % CO2), bag-valve - (rigid) mask (560 + / - 300 mL, 96 + / - 3 % O2, 0. 03 + / - 0. 02 % CO2), and tube-valve-mask (860 + / - 290 mL, 91 + / - 7 % O2, 0. 2 + / - 0. 2 % CO2).