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%) |
|
|
SD: standard deviation; 3 missing values; 1 missing value.
|