Table 4.
Subgroup analysis for SMD of dietary omega-6 PUFAs level in sarcopenia vs. control subject.
| Stratification | Number of studies | Pooled OR | 95% CI | P -value | Heterogeneity |
|---|---|---|---|---|---|
| All studies | 6 | −0.15 | −0.27, −0.02 | P = 0.02 | P = 0.04; I2 = 55% |
| Geographical region | |||||
| Asia | 3 | −0.14 | −0.31, 0.04 | P = 0.13 | P = 0.01; I2 = 72% |
| Non-Asia | 3 | −0.20 | −0.37, −0.03 | P = 0.02 | P = 0.56; I2 = 0% |
| Sample size | |||||
| <500 | 3 | −0.20 | −0.40, 0.00 | P = 0.05 | P = 0.48; I2 = 0% |
| >500 | 3 | −0.13 | −0.30, 0.04 | P = 0.12 | P = 0.01; I2 = 72% |
| Exposure assessment | |||||
| FFQ | 5 | −0.14 | −0.28, −0.01 | P = 0.04 | P = 0.02; I2 = 62% |
| 24 h recall | 1 | −0.23 | −0.69, 0.22 | / | / |