Review Article
Roles of Osteopontin Gene Polymorphism (rs1126616), Osteopontin Levels in Urine and Serum, and the Risk of Urolithiasis: A Meta-Analysis
Table 4
Summary of SMD and 95% CI for associations between OPN level and urolithiasis risk.
| Polymorphism | Subgroup | | Sample size | SMD (95% CI) | value | heterogeneity |
| Urine | All | 7 | 1754 | −0.55 (−1.30–0.20) | 0.151 | <0.0001 | Large sample size | 2 | 1522 | −0.78 (−0.89 to −0.67) | <0.0001 | 0.749 | Asian populations | 5 | 1671 | −0.65 (−1.61–0.31) | 0.182 | <0.0001 |
| Serum | All | 3 | 1270 | −1.47 (−1.89 to −1.04) | <0.0001 | 0.01 |
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The number of studies.
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