Note: Hands-off time was defined as the time that was longer than 1s between two consecutive compressions. Percentage of hands-off time = T2 (T2: hands-off time) / T1 (T1: total chest compression time
Ventilation mode, age and reference respiratory rate (RR) for the standard video recordings used in this study. The RRs labeled with an asterisk (*) are considered fast breathing for the corresponding
