Table 2. Results of meta-analysis.

Items	Number of studies	Odds ratio/mean difference	95% confidence interval	P value	I2 (%)	P value for heterogeneity
Propranolol/lauromacrogol vs. propranolol
Therapeutic effect
Cure rate (reduction in size >75%)	7	3.22	1.40–7.41	0.006	59	0.02
Significant effective rate (reduction in size >50%)	6	3.61	1.94–6.74	<0.001	0	0.92
Effective rate (reduction in size >25%)	6	2.76	0.84–9.11	0.10	0	0.73
Treatment time (days)	5	−72.81	−106.55 to −39.08	<0.001	97	<0.001
Adverse reaction	4	0.55	0.33–0.94	0.03	47	0.13
Propranolol/lauromacrogol vs. lauromacrogol
Therapeutic effect
Cure rate (reduction in size >75%)	4	3.69	1.05–12.93	0.04	67	0.03
Significant effective rate (reduction in size >50%)	3	3.87	0.30–49.87	0.30	91	<0.001
Effective rate (reduction in size >25%)	3	5.05	0.23–110.91	0.30	84	0.01
Treatment time (days)	2	−12.91	−57.99 to 32.17	0.57	96	<0.001
Adverse reaction	4	0.61	0.19–1.93	0.40	70	0.02