Table 6.
Study design | No. of articles |
---|---|
Observational | 56 |
Randomized controlled trial | 14 |
Basic science | 14 |
Review article | 14 |
Systematic review | 1 |
Validation study | 1 |
Study design | No. of articles |
---|---|
Observational | 56 |
Randomized controlled trial | 14 |
Basic science | 14 |
Review article | 14 |
Systematic review | 1 |
Validation study | 1 |