Emergency Medicine International / 2020 / Article / Tab 2

Research Article

Factors Associated with High-Quality Cardiopulmonary Resuscitation Performed by Bystander

Table 2

Univariate and multivariate analyses of the influence of resuscitation variables on high-quality CPR performed by a bystander.

OR (95% CI)aOR (95% CI)

Patients’ elements
Age, year0.98 (0.97–0.99)1.00 (0.99–1.01)
Male1.74 (1.18–2.58)1.38 (0.91–2.09)
Occurrence at home0.33 (0.24–0.47)0.42 (0.27–0.64)
Witnessed1.57 (1.11–2.20)1.45 (1.03–2.06)

Bystander elements
Relation with patient, family0.37 (0.26–0.54)0.77 (0.47–1.27)

Age groups
<40 years4.46 (2.40–8.28)4.28 (2.24–8.17)
40–49 years3.69 (2.03–6.74)3.34 (1.80–6.176)
50–59 years3.06 (1.72–5.46)3.01 (1.68–5.39)
≥60 years11

CPR, cardiopulmonary resuscitation; CI, confidence interval; OR, odds ratio; aOR, adjusted odds ratio.

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