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Table 1 Characteristics of the studied population (n = 40). SD = Standard Deviation

From: Ventilation feedback device for manual ventilation in simulated respiratory arrest: a crossover manikin study

Mean age ± SD (years) 39.9 ± 8.7
Sex (n (%))
 Female 09 (22.5)
 Male 31 (77.5)
Professional category (n (%))
 Physicians 12 (30.0)
 Nurses 08 (20.0)
 Firefighters 13 (32.5)
 Ambulance drivers 07 (17.5)
Professional experience (n (%))
 High (≥ 10 years) 22 (55.0)
 Medium (5 ≤ n < 10 years) 09 (22.5)
 Little (<  5 years) 09 (22.5)