Number of journals needed to locate 50% and 100% of randomised trials and systematic reviews published in 2009, for each specialty and subspecialty
| Specialty/subspecialty | Randomised trials | Systematic reviews | Journals in common for both article types, top 10 | |||
|---|---|---|---|---|---|---|
| Journal publishing highest No (%published) | No of journals to locate 50% and 100% (50%; 100%) | Journal publishing highest No (% published) | No of journals to locate 50% and 100% (50%; 100%) | |||
| Endocrine system diseases | Diabetes Care (6) | 48; 447 | Cochrane Database of Systematic Reviews (7) | 31; 142 | 6 | |
| Diabetes | Diabetes Care (8) | 39; 342 | Cochrane Database of Systematic Reviews (6)* | 22; 93 | 4 | |
| Cancer | Journal of Clinical Oncology (10) | 41; 503 | Cochrane Database of Systematic Reviews (6) | 38; 279 | 5 | |
| Lung cancer | Journal of Clinical Oncology (15) | 9; 68 | Lung Cancer (16) | 9; 41 | 3 | |
| Neurological diseases | Stroke (2) | 114; 896 | Cochrane Database of Systematic Reviews (12) | 53; 292 | 2 | |
| Stroke | Stroke (13) | 19; 180 | Stroke (18) | 14; 88 | 1 | |
| Respiratory diseases | European Respiratory Journal (3) | 50; 460 | Cochrane Database of Systematic Reviews (18) | 22; 143 | 3 | |
| Chronic obstructive pulmonary disease | European Respiratory Journal (11) | 10; 74 | Chest (13) | 6; 21 | 5 | |
| Heart diseases | American Journal of Cardiology (5) | 28; 374 | European Heart Journal (5) | 26; 145 | 6 | |
| Myocardial infarction | American Journal of Cardiology (8) | 19; 252 | Atherosclerosis (5) | 23; 96 | 5 | |
| Mental disorders | Journal of Clinical Psychiatry (3) | 55; 545 | Cochrane Database of Systematic Reviews (9) | 34; 231 | 3 | |
| Depression | Patient Education and Counseling (2)† | 51; 214 | Cochrane Database of Systematic Reviews (12) | 15; 36 | 0 | |
| Dementia | Journal of the American Geriatric Society (5) | 14; 70 | Cochrane Database of Systematic Reviews (17) | 12; 38 | 2 | |
| Alcohol related disorders | Alcoholism, Clinical and Experimental Research (9) | 12; 70 | Cochrane Database of Systematic Reviews (9)‡ | 9; 21 | 2 | |
| Otolaryngological diseases | European Archives of Oto-rhino-laryngol (4) | 79; 167 | Cochrane Database of Systematic Reviews (11) | 9; 41 | 3 | |
| Hearing loss | Journal of Laryngology and Otology (15) | 8; 21 | International Journal of Pediatric Otorhinolaryngology (20) | 4; 9 | 1 | |
*Equal number of systematic reviews also published in Diabetes Care.
†Equal number of randomised trials also published in Journal of Consulting and Clinical Psychology, Psychooncology, and Trials.
‡Equal number of systematic reviews also published in Addiction.