Table 3.

Metaregression based on sample size and mean age.

Outcomes	Sample size	Mean age
Electrocardiogram improvement	0.206	0.059
Total cholesterol	0.758	0.236
Total triglycerides	0.013	0.507
Total low-density lipoprotein	0.283	0.513
Total high-density lipoprotein	0.715	0.789
Low-cutting whole blood Viscosity	0.917	0.774
High-cutting whole blood Viscosity	0.412	0.621
Plasma viscosity	0.075	0.842
Hematocrit	0.049	0.490
Fibrinogen	0.890	0.345
Adverse reactions	0.554	0.772