Table 1.

The relationship between elevated digoxin levels and comorbid diseases.

Comorbid disease	Digoxin toxicity				p	X2
Yes	%	No	%
CHF	27	65.9	64	66.7	>0.05	0.03
AF	26	63.4	48	50	>0.05	2.75
HT	23	56.1	48	50	>0.05	0.73
CAD	13	31.7	27	28.1	>0.05	0.29
Other	10	24.4	37	37.5	>0.05	2.17
DM	9	21.9	22	22.9	>0.05	0.01
Cardiac valve disease	4	0.9	14	14.6	>0.05	0.49