Table 2 Metric data of chest compressions and team performance data: Statistics and Type III Tests of Model Effects of the inter-scenario comparison and the inter-arm comparison. Given values are estimated marginal mean (EEM). Std. Err indicates the standard error

Inter-scenario comparison

Inter-arm comparison

Scenario 1

Scenario 2

Control

Intervention

Mean

Std. Err

Mean

Std. Err

p

Mean

Std. Err

Mean

Std. Err

p

CPR Metrics

Mean chest compression rate (CC_Rate) [min⁻¹]

118.3

2.4

112.8

1.9

n.s

116.2

2.3

114.9

2.2

n.s.

Mean chest compression depth (CC_Depth) [mm]

42.1

1.7

46.0

1.8

n.s

43.9

1.1

44.3

1.2

n.s.

Ratio of sufficient chest compressions rate (RSCC_Rate)

42.6

4.6

60.0

3.2

 < 0.01

52.2

4.3

50.4

3.7

n.s.

Ratio of sufficient chest compressions depth (RSCC_Depth)

21.5

4.5

27.8

5.0

n.s

25.1

4.8

24.2

3.7

n.s.

Mean chest compression fraction (CC_Frac)

82.4

1.9

85.9

1.0

 < 0.05

82.5

2.0

85.8

1.5

n.s.

mean no flow time (mNFT) [sec]

6.4

0.6

5.2

0.4

n.s

5.7

0.6

6.0

0.7

n.s.

TEAM

Leadership (T_lead)

4.0

0.1

4.4

0.1

 < 0.05

3.9

0.1

4.5

0.1

 < 0.001

Teamwork (T_work)

4.2

0.1

4.5

0.1

 < 0.05

4.2

0.1

4.4

0.1

n.s.

Task management (T_task)

3.9

0.1

4.2

0.1

 < 0.05

3.8

0.1

4.4

0.1

 < 0.001

Score (T_score)

4.1

0.1

4.4

0.1

 < 0.05

4.1

0.1

4.4

0.1

 < 0.01

Global Rating (T_mark)

6.6

0.3

7.3

0.2

 < 0.05

6.4

0.3

7.4

0.2

 < 0.01