Table 2.

Comparison of adverse reactions

Group	Hyperkalemia	Hypotension	Angina	Miocardial infarction	Cerebral infarction	Cerebral hemorrhage	Hospitalization for HF
Before treatment	6	5	12	5	4	2	2
After treatment	15	6	4	3	2	1	10
χ2 value	4.788	0.101	4.696	0.540	0.706	0.343	6.000
P value	0.029	0.750	0.030	0.462	0.401	0.558	0.014