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

Table 1 Comparison of baseline data between the two groups, n (%)

Parameter	Control group (n = 60)	Observation group (n = 60)	χ2/t	P value
Gender			0.543	0.461
Male	36 (75.00)	32 (53.33)
Female	24 (35.00)	28 (46.67)
Age (yr)	58.69 ± 10.13	59.41 ± 11.05	0.372	0.711
Course (yr)	6.36 ± 1.24	6.24 ± 1.57	0.465	0.643
History of smoking			1.234	0.267
Yes	22 (36.67)	28 (46.67)
No	38 (63.33)	32 (53.33)
NYHA classification			0.534	0.465
Ⅲ	31 (51.67)	27 (45.00)
Ⅳ	29 (48.33)	33 (55.00)
Heart-based diseases			2.394	0.495
Dilated cardiomyopathy	5 (8.33)	9 (15.00)
Rheumatic heart disease	10 (16.67)	12 (20.00)
Coronary heart disease	18 (30.00)	19 (31.67)
High blood pressure	27 (45.00)	20 (33.33)
Combined diseases
Hyperlipidemia	15 (25.00)	21 (35.00)	1.429	0.232
Hypertension	30 (50.00)	33 (55.00)	0.301	0.583
Diabetes	19 (31.67)	15 (25.00)	0.657	0.418
Education			1.295	0.523
Junior high school and below	12 (20.00)	9 (15.00)
Secondary and tertiary	24 (40.00)	21 (35.00)
Undergraduate and above	24 (40.00)	30 (50.00)

Table 2 Comparison of heart function between the two groups (mean ± SD)

Group	Number of cases	LVEF (%)		SV (mL)
		Pre-intervention	After intervention	Pre-intervention	After intervention
Control	60	34.23 ± 4.26	48.23 ± 4.63a	91.02 ± 5.87	103.22 ± 6.32a
Observation	60	33.97 ± 4.51	60.44 ± 4.58a	89.63 ± 6.87	112.02 ± 5.78a
t		0.325	14.522	1.191	7.959
P value		0.746	0.000	0.236	0.000

^aP < 0.05 vs before intervention. LVEF: Left ventricular ejection fraction; SV: stroke output.

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.

Table 4 Comparison of Self-Care Ability Scale scores between the two groups (mean ± SD, subdivision)

Group	Number of cases	Self-care responsibility		Self-concept		Self-care skills		Self-care health knowledge
		Pre-intervention	After intervention	Pre-intervention	After intervention	Pre-intervention	After intervention	Pre-intervention	After intervention
Control	60	19.16 ± 2.94	21.13 ± 2.32a	19.85 ± 3.56	22.34 ± 3.69a	27.84 ± 3.65	31.17 ± 4.69a	18.69 ± 3.85	23.12 ± 3.55a
Observation	60	18.97 ± 3.02	22.78 ± 3.17a	19.74 ± 3.62	24.87 ± 4.05a	28.01 ± 3.94	35.23 ± 4.47a	18.75 ± 4.05	25.78 ± 4.18a
t		0.349	3.254	0.168	3.577	0.245	4.854	0.083	3.757
P value		0.728	0.001	0.867	0.001	0.807	0.000	0.934	0.000

^aP < 0.05 vs before intervention.

Table 5 Comparison of Minnesota heart failure quality of life scores between the two groups (mean ± SD, subdivision)

Group	Number of cases	Physical limitations		Symptoms of illness		Psychological mood		Social relations
		Pre-intervention	After intervention	Pre-intervention	After intervention	Pre-intervention	After intervention	Pre-intervention	After intervention
Control	60	19.24 ± 2.46	15.63 ± 2.01a	13.56 ± 2.12	11.36 ± 1.75a	13.23 ± 1.85	11.47 ± 1.38a	8.78 ± 1.34	7.24 ± 1.03a
Observation	60	19.15 ± 2.73	11.67 ± 1.45a	13.61 ± 2.08	10.02 ± 1.51a	13.30 ± 1.76	9.58 ± 1.05a	8.83 ± 1.29	5.48 ± 0.87a
t		0.190	12.376	0.130	4.491	0.212	8.443	0.208	10.111
P value		0.850	0.000	0.896	0.000	0.832	0.000	0.835	0.000

^aP < 0.05 vs before intervention.

Table 6 Comparison of compliance scores between the two groups (mean ± SD, subdivision)

Group	Number of cases	Reasonable diet		Regular drug use		Health behaviour		Review on time
		Pre-intervention	After intervention	Pre-intervention	After intervention	Pre-intervention	After intervention	Pre-intervention	After intervention
Control	60	5.78 ± 1.32	7.23 ± 1.45a	6.23 ± 0.85	8.24 ± 0.63a	5.41 ± 0.96	7.58 ± 0.78a	5.32 ± 1.14	7.41 ± 0.82a
Observation	60	5.82 ± 1.07	8.69 ± 1.12a	6.21 ± 0.76	9.23 ± 0.57a	5.32 ± 1.05	8.75 ± 0.63a	5.37 ± 1.03	8.68 ± 0.67a
t		0.182	6.172	0.136	9.026	0.490	9.039	0.252	9.290
P value		0.856	0.000	0.892	0.000	0.625	0.000	0.801	0.000

^aP < 0.05 vs before intervention.

Table 7 Comparison of adverse cardiovascular events between the two groups

Group	Number of cases	Increased heart failure	Acute myocardial infarction	Severe arrhythmia	Cardiogenic rehospitalization
					Hospitalization rate	Hospitalization time
Control	60	5 (8.33)	8 (13.33)	6 (10.00)	17 (28.33)	16.25 ± 4.23
Observation	60	2 (3.33)	2 (3.33)	3 (5.00)	7 (11.67)	14.36 ± 3.12
χ2/t		1.365	3.927	1.081	5.208	2.785
P value		0.243	0.048	0.298	0.022	0.006