Table 6.

Association between serum electrolytes and first degree A-V block in children with congenital heart disease

Variable	First Degree A-V Block		Unadjusted OR (95 % CI)	p-value
	Yes, n %)	No, n (%)
Hyperkalemia
Yes	2 (9.5 %)	19 (90.5 %)	0.32 (0.07–1.44)	0.138
No	40 (24.7 %)	122 (75.3 %)
Hypokalemia
Yes	4 (57.1 %)	3 (42.9 %)	4.84 (1.04–22.57)	0.045
No	38 (21.6 %)	138 (78.4 %)
Hypernatremia
Yes	13 (32.5 %)	27 (67.5 %)	1.88 (0.87–4.07)	0.110
No	30 (20.4 %)	117 (79.6 %)
Hyponatremia
Yes	9 (16.4 %)	46 (83.6 %)	0.56 (0.25–1.27)	0.168
No	34 (25.8 %)	98 (74.2 %)
Hypermagnesemia
Yes	9 (21.4 %)	33 (78.6 %)	0.84 (0.36–1.95)	0.678
No	30 (24.6 %)	92 (75.4 %)