Table 5.

Results of subgroup analysis.

Outcomes	No. of trial	Effect size	95%CI	I2 (%)	P for effect size	P for heterogeneity
LDL
Duration (years)
<4	3	−30.58	−36.25, −24.90	0.0	<0.00001	0.58
≥4	3	−17.58	−19.56, −15.60	52.0	<0.00001	0.12
HDL
Duration (years)
<4	3	8.61	5.17, 12.05	0.0	<0.00001	0.96
≥4	3	1.71	1.14, 2.27	21.0	<0.00001	0.28
TC
Duration (years)
<4	3	−39.61	−45.50, −33.72	0.0	<0.00001	0.59
≥4	3	−19.97	−22.89, −17.05	78.0	<0.00001	0.01
TG
Duration (years)
<4	3	−46.50	−57.86, −35.15	0.0	<0.00001	0.91
≥4	3	−13.14	−16.30, −9.98	7.0	<0.00001	0.34