Table 3.
Subgroup analysis for standard mean difference (SMD) of dietary omega-3 PUFAs level in sarcopenia vs. control subject.
| Stratification | Number of studies | Pooled OR | 95% CI | P -value | Heterogeneity |
|---|---|---|---|---|---|
| All studies | 5 | −0.19 | −0.32, −0.07 | P = 0.002 | P = 0.71; I2 = 0% |
| Geographical region | |||||
| Asia | 2 | −0.21 | −0.39, −0.02 | P = 0.03 | P = 0.30; I2 = 6% |
| Non-Asia | 3 | −0.18 | −0.35, −0.01 | P = 0.03 | P = 0.59; I2 = 0% |
| Sample size | |||||
| <500 | 3 | −0.19 | −0.39, 0.01 | P = 0.06 | P = 0.44; I2 = 0% |
| >500 | 2 | −0.19 | −0.35, −0.03 | P = 0.02 | P = 0.48; I2 = 0% |
| Exposure assessment | |||||
| FFQ | 4 | −0.21 | −0.34, −0.08 | P = 0.002 | P = 0.71; I2 = 0% |
| 24 h recall | 1 | 0.00 | −0.45, 0.45 | / | / |