Investigation of the quality of life of patients with coronary heart disease during COVID-19 and analysis of influencing factors

Figures & data

Figure 1. Distribution of general socio-demographic data of patients.

Figure 2. Distribution of patients’ disease situation.

Figure 3. Distribution of patients’ knowledge of COVID-19.

Table 1. QOL score of patients with CHD during COVID-19 (N = 70)

Dimension	Score
Physiological functioning	83.93 ± 9.92
Role-physical	66.71 ± 26.16
Bodily pains	32.20 ± 8.86
General health	65.39 ± 19.18
Vitality	73.14 ± 15.56
Social functioning	79.86 ± 19.76
Role-emotional	56.01 ± 19.93
Mental health	70.69 ± 15.55
Average score	65.99 ± 10.97

Abbreviations: QOL, quality of life; CHD, coronary heart disease; COVID-19, coronavirus disease 2019.

Table 2. Single-factor analysis of the QOL of patients with CHD during COVID-19 (N = 70)

Variable	Item	n (freq, %)	Score	F/t	P value
Sex	Male	47 (67.1)	65.80 ± 10.99	t = −0.208	0.836
	Female	23 (32.9)	66.39 ± 11.42
Age(years)	≤45	9 (12.9)	63.35 ± 15.78	F = 0.521	0.596
	46–59	30 (42.9)	67.36 ± 8.94
	≥60	31 (44.2)	65.43 ± 11.53
Nature of work	Mental work	59 (84.3)	66.14 ± 11.28	t = 0.252	0.802
	Manual work	11 (15.7)	65.22 ± 10.18
Education	Secondary and below	8 (11.4)	61.19 ± 9.32	F = 3.027	0.055
	High school	16 (22.9)	61.84 ± 12.11
	University and above	46 (65.7)	66.27 ± 10.46
Smoking history	No smoking	37 (52.9)	67.01 ± 11.38	F = 0.470	0.627
	Previous but not current smoking	26 (37.1)	64.31 ± 11.18
	Current smoking	7 (10.0)	66.84 ± 9.39
Drinking history	No drinking	38 (54.3)	66.72 ± 10.61	F = 1.698	0.191
	Previous but not current drinking	24 (34.3)	67.07 ± 12.04
	Current drinking	8 (11.4)	59.30 ± 8.67
Family medical history	Yes	29 (41.4)	64.92 ± 11.59	t = −0.678	0.500
	None	41 (58.6)	66.75 ± 10.74
Type of CHD	Angina pectoris	22 (31.4)	63.50 ± 12.63	F = 1.337	0.270
	MI	29 (41.4)	68.44 ± 10.15
	Other	19 (27.1)	65.14 ± 10.21
Type of revascularization	PCI	46 (65.7)	65.73 ± 12.20	F = 0.510	0.603
	CABG	5 (7.1)	70.80 ± 8.21
	None	19 (27.1)	65.35 ± 8.60
Combined disease	Yes	58 (82.9)	65.42 ± 10.54	t = −0.196	0.845
	None	12 (17.1)	66.11 ± 11.24
Combined medication	Yes	65 (92.9)	65.99 ± 10.97	t = −0.009	0.993
	None	5 (7.1)	65.95 ± 13.53
Exercise intervention type	TCCRP	23 (32.9)	70.59 ± 9.37	F = 4.440	0.015
	CERP	23 (32.9)	66.16 ± 12.42^a
	None	24 (34.3)	61.43 ± 9.60^ab
Attention to COVID-19	Yes	57 (81.4)	66.36 ± 11.15	t = 0.585	0.561
	None	13 (18.6)	60.37 ± 10.89
Anxiety	Not at all	10 (14.3)	70.80 ± 13.68	F = 7.822	0.001
	A little bit	58 (82.9)	66.06 ± 9.42
	Quite large	2 (2.9)	39.88 ± 9.55^ab
Depression	Not at all	36 (51.4)	68.83 ± 10.55	F = 8.672	0.000
	A little bit	32 (45.7)	64.43 ± 9.35
	Quite large	2 (2.9)	39.88 ± 9.55^ab
Fear	Not at all	17 (24.4)	69.75 ± 10.39	F = 9.045	0.000
	A little bit	50 (73.3)	66.08 ± 9.85
	Quite large	3 (2.2)	43.25 ± 8.93^ab
Worry	Not at all	13 (22.2)	71.33 ± 10.31	F = 9.892	0.000
	A little bit	54 (75.6)	65.97 ± 9.78
	Quite large	3 (2.2)	43.25 ± 8.93^ab
Impact on life	Not at all	5 (6.7)	68.65 ± 12.18	F = 2.158	0.123
	A little bit	39 (55.6)	67.99 ± 8.98
	Quite large	26 (37.8)	62.49 ± 13.05

Note: a, compared with layer 1, P < 0.05; b, compared with layer 2, P < 0.05.

Abbreviations: n, number; freq, frequency; MI, myocardial infarction; PCI, percutaneous coronary intervention; CABG, coronary artery bypass graft; TCCRP, Tai Chi cardiac rehabilitation program; CERP, conventional exercise rehabilitation program.

Table 3. Multivariate analysis of the QOL of patients with CHD during COVID-19 (N = 70)

Variable	Item	B	Sb	B^,	t	P value	R	R^2
Constant term	–	85.121	6.324	–	13.459	0.000	–	–
Worry about COVID-19	–	−9.165	2.576	−0.381	−3.545	0.001	0.532	0.239
Exercise intervention type	TCCRP	7.618	2.785	0.338	2.735	0.008	0.475	0.190
	CERP	3.800	2.965	0.156	1.282	0.205	0.329	0.081

Abbreviations: B, regression coefficient; Sb, standard error; B^,, standardized regression coefficient; R, correlation coefficient; R², coefficient of determination; TCCRP, Tai Chi cardiac rehabilitation program; CERP, conventional exercise rehabilitation program.