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Table 2 Characteristics of groups

From: Relationship between weight of rescuer and quality of chest compression during cardiopulmonary resuscitation

  Light Heavy  
  Male Female Total Male Female Total P
  n = 5 n = 4 n = 9 n = 5 n = 4 n = 9  
Age (years) 28.2 ± 2.1 30.2 ± 2.4 30.0 ± 2.9 26.4 ± 3.0 28.0 ± 1.6 27.1 ± 2.6 ns
CE (years) 7.3 ± 4.3 6.8 ± 2.7 7.0 ± 3.9 6.3 ± 4.7 5.7 ± 1.7 6.0 ± 3.9 ns
Height (cm) 172.3 ± 5.5 158.7 ± 2.8 166.2 ± 8.1 175.3 ± 6.6 157.3 ± 5.2 167.3 ± 10.8 ns
Weight (kg) 55.3 ± 4.8 44.7 ± 1.7 50.6 ± 6.5 73.0 ± 4.9 61.9 ± 5.5 68.0 ± 7.5 ***
BMI (kg/m2) 18.9 ± 2.0 17.7 ± 0.5 18.2 ± 1.6 23.9 ± 3.2 25.0 ± 2.0 24.4 ± 2.8 ***
HR (bpm) 78.1 ± 5.1 70.2 ± 5.4 74.1 ± 7.0 69.0 ± 10.1 77.0 ± 5.8 73.0 ± 10.1 ns
VO2 (mL/kg/min) 4.0 ± 1.0 2.8 ± 0.7 3.4 ± 1.2 3.0 ± 0.3 2.6 ± 0.4 2.8 ± 0.4 ns
  1. Values are means ± standard deviation.
  2. ***P <0.001 (unpaired t test) between totals of light and heavy groups.
  3. CE, clinical experience; ns, no significance.