Table 1 Distribution of articles per study type, topic, number of authors, presence of self-citations, and descriptive statistics of citation metrics
From: Author self-citation in orthodontics is associated with author origin and gender
Study type | N | % |
|---|---|---|
RCT | 50 | 10.80 |
Prospective observational | 195 | 42.12 |
Retrospective observational | 117 | 25.27 |
Narrative or systematic review, meta-analysis | 49 | 10.58 |
Survey | 12 | 2.59 |
Case report | 39 | 8.64 |
Topic | N | % |
OHRQOL/esthetics/practice management/socio-demographics | 62 | 13.39 |
Biomaterials | 33 | 7.13 |
Diagnosis | 87 | 18.79 |
Treatment | 127 | 27.43 |
Growth | 55 | 11.88 |
New technologies | 41 | 8.86 |
Periodontics/caries prevention | 19 | 4.10 |
Side effects | 26 | 5.62 |
Other | 13 | 2.81 |
Number of authors | N | % |
1–3 | 111 | 23.97 |
4–5 | 167 | 36.07 |
> 5 | 185 | 39.96 |
Self-citation | N | % |
Yes | 274 | 59.18 |
No | 189 | 40.82 |
Citation metrics | Mean (SD) | Median (IQR) |
Self-citations | 1.67 (6.19) | 1 (2) |
Total citations | 32.01 (18.01) | 30 (13) |
SCR | 5.71 (7.97) | 3.03 (8.33) |