From: Bibliometrics of systematic reviews: analysis of citation rates and journal impact factors
Variables | Mean number of citations (±SD) | P-value |
---|---|---|
Country location of first author | ||
United States | 36.5 (37.4) | 0.000 |
The Netherlands | 29.0 (34.3) | |
Canada | 24.4 (24.6) | |
United Kingdom | 23.8 (25.9) | |
Australia | 23.0 (19.5) | |
All other countries (reference category) | 22.1 (23.4) | |
ICD-10 chapters | ||
Neoplasms | 31.8 (30.9) | 0.000 |
Mental and behavioural disorders | 29.5 (27.7) | |
Diseases of the circulatory system | 29.1 (31.5) | |
Factors influencing health status and contact with health services | 26.0 (31.1) | |
Diseases of the digestive system | 17.0 (18.7) | |
All other ICD-10 codes (reference category) | 26.2 (28.8) | |
Intervention type | ||
Investigations, diagnostics or screening | 34.7 (34.8) | 0.009 |
Drugs and vaccines | 27.8 (30.4) | |
Not an intervention | 26.9 (29.2) | |
Health promotion | 25.2 (25.3) | |
Surgery and dentistry | 21.7 (22.2) | |
Other treatments (reference category) | 23.6 (26.8) | |
International collaboration | ||
Yes | 32.1 (34.3) | 0.000 |
No (reference category) | 25.5 (27.6) |