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Table 3 Performance of chest compressions for firefighters

From: Comparison of the quality of chest compressions on a dressed versus an undressed manikin: A controlled, randomised, cross-over simulation study

  Mean percentage of correct actions
Variable* Undressed chest (95% CI) Dressed chest (95% CI) Mean group Difference (95% CI) p value
Correct hand positioning 99% (97;100) 99% (99;100) -1 (-2;1) 0.46
Complete release (≤ 10 mm) 81% (67;96) 74% (57;90) 8 (-11;27) 0.40
Correct compressions depth (range 40-50 mm) 38% (18;57) 49% (32;67) -12 (-36;13) 0.34
Compressions correct in all aspects 26% (8;44) 32% (17;48) -6 (-26;13) 0.50
  1. *All variables are means per group in the studied cycle of performed CPR given as percentage.
  2. Firefighters. Group means and differences for performance of chest compressions for the variables: Correct hand positioning, complete release (≤ 10 mm), correct compressions depth (range 40-50 mm) and compressions correct in all aspects, performed on an undressed and dressed chest.