组别(n)
NT-proBNP (pg/L)
治疗前
治疗后
对照组(42)
2894.4 ± 758.6
756.2 ± 243.6
观察组(42)
2902.5 ± 767.4
415.4 ± 356.6
t
0.221
21.696
P
0.826
<0.001