Xinmailong Injection for Improvement of Cardiac Function in Patients with Heart Failure: A Systematic Review and Meta-Analysis

Table 5

Metaregression analysis of association between covariates and cardiac function of HF patients with XML injection administration.

	LVEF					6MWT					BNP
	N	value	Tau^2	I ^2 (%)	Adj R^2 (%)	N	value	Tau^2	I ^2 (%)	Adj R^2(%)	N	value	Tau^2	I ^2 (%)	Adj R^2 (%)
Gender	22	0.727	9.304	92.03	−4.89	12	0.447	656.7	88.15	−0.47	12	0.573	61293	93.91	−8.69
Age section	22	0.013	7.121	87.36	26.75	11	0.003	192.5	70.52	69.25	11	0.340	98464	95.34	−3.05
Average age	22	0.049	8.114	89.25	16.54	11	0.048	398.2	86.05	36.39	11	0.737	117450	95.15	−22.93
Pattern identification	27	0.890	8.442	90.55	−3.97	15	0.300	508	84.71	8.82	16	0.924	53996	94.60	−12.45
Duration time	27	0.436	8.202	89.67	−1.02	16	0.836	558.2	87.91	−8.62	16	0.549	54559	93.98	−13.62
Course of disease	13	0.421	7.450	89.28	−1.03	8	0.686	812	92.87	−7.69	7	0.456	20608	93.53	27.79
Publication year	27	0.884	8.464	90.61	−4.24	15	0.805	603.6	89.07	−8.36	16	0.683	55437	93.69	−15.45
Sample size	27	0.255	8.014	89.78	1.31	15	0.865	600.2	89.11	−7.75	16	0.484	49753	92.83	−3.62

LVEF, left ventricular ejection fraction; 6MWT, six-minute walk test; BNP, brain natriuretic peptide.