Research Article
Evaluation of Bag-Valve-Mask Ventilation in Manikin Studies: What Are the Current Limitations?
Table 2
Characteristics of study population (
).
| | Mean age ± SD (years) | 37.28 ± 8.97 | | Sex (, %) | | | Female | 47 (33.57%) | | Male | 93 (66.43%) | | Professional category (, %) | | | Physicians | 45 (32.14%) | | Nurses | 45 (32.14%) | | First-aid workers | 50 (35.71%) | | Professional experience (, %) | | | High (≥10 years) | 63 (45.00%) | | Medium (5 ≤ < 10 years) | 36 (25.70%) | | Little (<5 years) | 41 (29.30%) | | Handedness (, %) | | | Right-handed | 118 (84.29%) | | Left-handed | 14 (10.00%) | | Ambidextrous | 8 (5.71%) | | Size of the hand squeezing the bag (, %) | | | Large (≥23 cm) | 21 (15.00%) | | Medium (19 ≤ < 23 cm) | 101 (72.14%) | | Small (15 ≤ < 19 cm) | 18 (12.86%) | | Grip strength (, %) | | | Hand squeezing the bag | | | High (≥40 kgF) | 53 (37.90%) | | Medium (20 ≤ < 40 kgF) | 65 (46.40%) | | Weak (0 ≤ < 20 kgF) | 22 (15.70%) | | Hand keeping the mask | | | High (≥40 kgF) | 38 (27.70%) | | Medium (20 ≤ < 40 kgF) | 68 (49.60%) | | Weak (0 ≤ < 20 kgF) | 31 (22.60%) | | BVM type used frequently (, %) | | | Ambu® | 76 (54.29%) | | Laerdal® | 3 (2.14%) | | Both | 39 (27.86%) | | Neither | 22 (15.71%) | | Estimated manual ventilation performance (, %) | | | Good | 55 (39.57%) | | Medium | 83 (59.71%) | | Bad | 1 (0.72%) |
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SD: standard deviation; 3 missing values; 1 missing value.
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