Table 3 CONSORT-based quality analysis of the included studies
Study | Sample size (0–2) | Randomization (0–2) | Inclusion/ exclusion criteria (0–1) | Follow up (0–1) | Baseline (0–2) | Masking (0–2) | Statistical analysis (0–2) | score | Total Risk of Bias |
|---|---|---|---|---|---|---|---|---|---|
Sharma et al. (2018) [18] | 1 | 2 | 1 | 1 | 2 | 2 | 2 | 11 | moderate |
Thriveni et al, (2018) [17] | 0 | 1 | 1 | 0 | 2 | 1 | 2 | 8 | High |
Chandak et al, (2017) [19] | 0 | 1 | 1 | 0 | 2 | 0 | 1 | 6 | High |
Vijayabala et al. (2013) [4] | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 9 | moderate |
Ylikontiola et al. (1997) [13] | 0 | 1 | 1 | 1 | 2 | 1 | 2 | 10 | high |