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Table 5 Association between practical application of CPR and knowledge source among aware participants

From: Knowledge of non-healthcare individuals towards cardiopulmonary resuscitation: a cross-sectional study in Riyadh City, Saudi Arabia

Variables

Source of knowledge

Formal CPR course n (%)

Campaign n (%)

Media n (%)

p value

Procedures

 Opening an airway

21 (55.3)

21 (47.7)

32 (9.7)

< 0.001

 Give mouth-mouth ventilation

25 (65.8)

24 (54.5)

28 (8.5)

< 0.001

 Starting chest compression

36 (94.7)

40 (90.9)

48 (14.5)

< 0.001

 Giving mouth to mouth-start chest compression

24 (63.2)

22 (50.0)

19 (5.7)

< 0.001

 Those knowing three procedures

19 (50.0)

16 (36.4)

9 (2.7)

< 0.001

 I do not know

0 (0.0)

0 (0.0)

257 (77.6)

< 0.001

Which one of the following choices is the correct location for chest compressions in CPR?

 Upper part of the chest

7 (18.4)

6 (13.6)

37 (11.2)

< 0.001

 Middle part of the chest

19 (50.0)

28 (63.6)

93 (28.1)

 Lower part of the chest

12 (31.6)

10 (22.7)

31 (9.4)

 I do not know

0 (0.0)

0 (0.0)

170 (51.4)

What is the ratio of chest compressions to mouth-to-mouth ventilation in CPR?

 5:1

11 (29)

18 (40.9)

9 (2.7)

< 0.001

 15:2

16 (42)

15 (34.1)

6 (1.8)

 30:2

11 (29)

11 (25)

7 (2.1)

 I do not know

0 (0.0%)

0 (0.0%)

309 (93.4)

What is the rate of chest compressions in CPR?

 150 per min

4 (10.5)

3 (6.8)

5 (1.5)

< 0.001

 100–120 per min

11 (28.9)

12 (27.3)

12 (3.6)

 50 per min

23 (60.5)

29 (65.9)

17 (5.1)

 I do not know

0 (0.0)

0 (0.0)

297 (89.7)

What is the length of strength that should be given during chest compressions in CPR?

 A depth of 1–2 cm

12 (31.6)

21 (47.7)

9 (2.7)

< 0.001

 A depth of 5–6 cm

21 (55.3)

22 (50.0)

24 (7.3)

 A depth of 6–10 cm

5 (13.2)

1 (2.3)

4 (1.2)

 I do not know

0 (0.0)

0 (0.0)

294 (88.8)

  1. CPR cardiopulmonary resuscitation
  2. †Correct answer