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Study design and the nature of citations
| Nature of citation | Study design | p | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Animal study (n=28) | Case report (n=42) | Expert opinion (n=117) | In vitro (n=141) | Observational (n=259) | RCT (n=98) | Total | ||||||||
| n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | |||
| Positive | 22 | (4.6%) | 31 | (6.5%) | 78 | (16.4%) | 99 | (20.8%) | 179 | (37.7%) | 66 | (13.9%) | 475 | <0.001 |
| Neutral | 4 | (2.3%) | 10 | (5.8%) | 39 | (22.5%) | 40 | (23.1%) | 50 | (28.9%) | 30 | (17.4%) | 173 | |
| Negative | 2 | (5.4%) | 1 | (2.7%) | 0 | (-) | 2 | (5.4%) | 30 | (81.1%) | 2 | (5.4%) | 37 | |
