Table 2.

Risk factors for supraventricular arrhythmias and their statistical significance. SA(+): patients with postoperative supraventricular arrhythmias. SA(-): patients with no postoperative supraventricular arrhythmias. p values less than 0.05 are statistically significant.

Risk factor	SA (+)	SA (-)	p value
Male (n:166)	30/166	136/166	0.416
Female (n:33)	7/33	26/33
Age > 65 years (n:65)	22/65	43/65	<0.001
Age < 65 years (n:134)	7/134	127/134
Hypertension (+) (n:63)	11/63	52/63	0.473
Hypertension (-) (n:136)	26/136	110/136
Diabetes Mellitus (+) (n:28)	5/28	23/28	0.576
Diabetes Mellitus (-) (n:171)	32/171	139/171
Tobacco (+) (n:165)	31/165	134/165	0.548
Tobacco (-) (n:34)	6/34	28/34
Beta-blockers preop (+) (n:25)	4/25	21/25	0.513
Beta-blockers preop (-) (n:174)	32/174	142/174