Table 3.

Risk of cardiac arrhythmia on admission ECG. Sub-group analysis stratified by diuretics exposure.

Risk of cardiac arrhythmia on admission ECG
		Odds ratio	95% CI	P value
Diuretics (N=2468)	Arrhythmia
	PPI	0.94	0.74 – 1.18	0.57
	H2 blocker	0.83	0.55–1.25	0.39
	Atrial Arrhythmia
	PPI	0.85	0.65–1.10	0.21
	H2 blocker	0.81	0.49–1.27	0.37
	Ventricular Arrhythmia
	PPI	1.09	0.57–2.10	0.79
	H2 blocker	0.31	0.04–2.29	0.25
No Diuretics (N=5578)	Arrhythmia
	PPI	0.94	0.77 – 1.16	0.58
	H2 blocker	0.78	0.54–1.13	0.18
	Atrial Arrhythmia
	PPI	0.89	0.70–1.13	0.35
	H2 blocker	0.73	0.47–1.12	0.15
	Ventricular Arrhythmia
	PPI	0.91	0.53–1.55	0.72
	H2 blocker	0.91	0.38–2.20	0.84