Review Article
The Relationship between Serum Zinc Level and Heart Failure: A Meta-Analysis
Table 3
Subgroup analyses of zinc level and heart failure (HF).
| | Subgroup | Numberof studies | SMD (95% CI) | Test of SMD = 0 | Heterogeneity | | for | I2 | for I2 |
| | Geographical location | | | | | | | | Europe | 16 | (, ) | <0.001 | 5.68 | 76.1% | <0.001 | | Asia | 10 | (, ) | 2.27 | 0.023 | 51.0% | 0.031 | | America | 1 | (, ) | <0.001 | 7.02 | NA | NA | | Subgroups of HF | | | | | | | | ICM patients | 5 | (, 0.199) | 1.46 | 0.145 | 88.9% | <0.001 | | IDCM patients | 8 | (, ) | 4.55 | <0.001 | 0.0% | 0.504 | | Other HF patients | 14 | (, ) | 5.28 | <0.001 | 78.6% | <0.001 |
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