Effects of WeChat platform-based health management on health and self-management effectiveness of patients with severe chronic heart failure

Table 3 Comparison of 6-min walking distance, high-sensitivity cardiac troponin, N-terminal pro B-type natriuretic peptide between the two groups

Group	Number of cases	6MWD (m)		hs-cTnT (µg/L)		NT-proBNP (µg/L)
		Pre-intervention	After intervention	Pre-intervention	After intervention	Pre-intervention	After intervention
Control	60	352.69 ± 57.89	468.22 ± 67.41a	0.70 ± 0.22	0.48 ± 0.15a	3.85 ± 0.24	2.78 ± 0.16a
Observation	60	346.85 ± 62.08	519.36 ± 57.23a	0.72 ± 0.21	0.37 ± 0.12a	3.87 ± 0.25	1.95 ± 0.14a
t		0.533	4.480	0.509	4.436	0.447	30.240
P value		0.595	0.000	0.611	0.000	0.656	0.000

^aP < 0.05 vs before intervention. 6MWD: 6-min walking distance; hs-cTnT: High-sensitivity cardiac troponin; NT-proBNP: N-terminal pro b-type natriuretic peptide.