Table 4 Quality of evidence appraised using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE)-method
Study limitation | Inconsistency | Indirectness | Imprecision | Publication bias | Quality of the evidence (Grade) | |
|---|---|---|---|---|---|---|
Physical fitness | ||||||
Asia | = | ↓↓ | ↓ | ↑ | ↓ | ⨁ ⊖ ⊖ ⊖ |
North America and Europe | ↑ | ↓↓ | ↓ | = | ↓ | ⨁ ⊖ ⊖ ⊖ |
Africa | ↑ | ↓↓ | ↓↓ | = | ↓ | ⊖ ⊖ ⊖ ⊖ |
Motor skill | ||||||
All together | = | = | ↓↓ | = | ↓ | ⨁ ⊖ ⊖ ⊖ |