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. 2022 Jan 26;22:15. doi: 10.1186/s12872-022-02464-5

Table 2.

Primary and secondary outcomes

Characteristics Alternative method (treatment group) (n = 15) Standard method (control group) (n = 15) Risk difference (95% CI)
Primary outcomes
ECG response or convert to sinus rhythm after adenosine—n (%) 13 (86.7) 12 (80) 6.7 (− 19.9 to 33.2)
Secondary outcomes
Complications in one minute—n (%)
 None 14 (93.3) 14 (93.3) 0 (− 17.9 to 17.9)
 Light-headedness 1 (6.7) 0 6.7 (− 6 to 19.3)
 Palpitation 0 1 (6.7)  − 6.7 (− 19.3 to 6)
 Chest discomfort 0 0 NA
 Dyspnea 0 0 NA
 Cardiac arrest 0 0 NA

ECG, electrocardiogram; NA, not applicable; 95% CI, 95% confidence interval