Table 1 Characteristics of the included systematic reviews
| Â | Campbell | N (%) | Cochrane | N (%) |
|---|---|---|---|---|
Review groups | Crime and justice | 41 (29.9) | Acute Respiratory Infections Group | 13 (1.9) |
Education | 28 (20.4) | Airways Group | 27 (4.0) | |
International development | 25 (18.2) | Anesthesia, Critical and Emergency Care Group | 18 (2.7) | |
Social welfare | 59 (43.1) | Back and Neck Group | 3 (0.5) | |
Nutrition | 1 (0.7) | Bone, Joint and Muscle Trauma Group | 6 (0.9) | |
| Â | Â | Breast Cancer Group | 10 (1.5) | |
| Â | Â | Childhood Cancer Group | 8 (1.2) | |
| Â | Â | Colorectal Cancer Group | 5 (0.7) | |
| Â | Â | Common Mental Disorders Group | 10 (1.5) | |
| Â | Â | Consumers and Communication Group | 3 (0.5) | |
| Â | Â | Cystic Fibrosis and Genetic Disorders Group | 34 (5.0) | |
| Â | Â | Dementia and Cognitive Improvement Group | 10 (1.5) | |
| Â | Â | Developmental, Psychosocial and Learning Problems Group | 11 (1.6) | |
| Â | Â | Drugs and Alcohol Group | 4 (0.6) | |
| Â | Â | Effective Practice and Organization of Care Group | 9 (1.3) | |
| Â | Â | ENT Group | 5 (0.7) | |
| Â | Â | Epilepsy Group | 19 (2.8) | |
| Â | Â | Eyes and Vision Group | 26 (3.8) | |
| Â | Â | Fertility Regulation Group | 7 (1.0) | |
| Â | Â | Gynecological, Neuro-oncology, and Orphan Cancer Group | 12 (1.7) | |
| Â | Â | Gynecology and Fertility group | 33 (4.8) | |
| Â | Â | Hematological Malignancies Group | 7 (1.0) | |
| Â | Â | Heart Group | 27 (3.9) | |
| Â | Â | Hepato-Biliary Group | 18 (2.6) | |
| Â | Â | Hypertension Group | 8 (1.2) | |
| Â | Â | IBD Group | 8 (1.2) | |
| Â | Â | Incontinence Group | 3 (0.5) | |
| Â | Â | Infectious Diseases Group | 9 (1.3) | |
| Â | Â | Injuries Group | 5 (0.7) | |
| Â | Â | Kidney and Transplant Group | 12 (1.7) | |
| Â | Â | Lung Cancer Group | 4 (0.6) | |
| Â | Â | Metabolic and Endocrine Disorders Group | 6 (0.9) | |
| Â | Â | Methodology Review Group | 1 (0.1) | |
| Â | Â | Movement Disorders Group | 3 (0.5) | |
| Â | Â | Multiple Sclerosis and Rare Diseases of the CNS Group | 2 (0.3) | |
| Â | Â | Musculoskeletal Group | 6 (0.9) | |
| Â | Â | Neonatal Group | 23 (3.4) | |
| Â | Â | Neuromuscular Group | 9 (1.3) | |
| Â | Â | Oral Health Group | 20 (2.9) | |
| Â | Â | Pain, Palliative and Supportive Care Group | 59 (8.6) | |
| Â | Â | Pregnancy and Childbirth Group | 51 (7.4) | |
| Â | Â | Public Health Group | 4 (0.6) | |
| Â | Â | Schizophrenia Group | 20 (2.9) | |
| Â | Â | Skin Group | 7 (1.0) | |
| Â | Â | STI Group | 4 (0.6) | |
| Â | Â | Stroke Group | 18 (2.6) | |
| Â | Â | Tobacco Addiction Group | 8 (1.2) | |
| Â | Â | Upper GI and Pancreatic Diseases Group | 8 (1.2) | |
| Â | Â | Urology Group | 4 (0.6) | |
| Â | Â | Vascular Group | 23 (3.6) | |
| Â | Â | Work Group | 5 (0.7) | |
| Â | Â | Wounds Group | 14 (2.0) | |
Publication year | 2004 | 1 (0.7) | Â | Â |
2005 | 5 (3.6) | Â | Â | |
2006 | 11 (8.0) | Â | Â | |
2007 | 5 (3.6) | Â | Â | |
2008 | 18 (13.1) | Â | Â | |
2009 | 4 (2.9) | Â | Â | |
2010 | 3 (2.2) | Â | Â | |
2011 | 9 (6.6) | Â | Â | |
2012 | 19 (13.9) | Â | Â | |
2013 | 13 (9.5) | Â | Â | |
2014 | 11 (8.0) | Â | Â | |
2015 | 20 (14.6) | Â | Â | |
2016 | 10 (7.3) | 2016 | 279 (41.4) | |
2017 | 8 (5.8) | 2017 | 395 (58.6) | |
Single-sex review | Females abused by partners | 1 (0.7) | Female breast cancer | 10 (1.5) |
Males who abuse partners | 1 (0.7) | Gynecology and fertility | 45(6.7) | |
Male sexual offenders | 1 (0.7) | Hemophilia | 1(0.1) | |
Women’s empowerment | 1 (0.7) | Pregnancy, child birth, and breastfeeding | 57 (8.5) | |
| Â | Â | Sterilization | 1 (0.2) |