Table 1.
Characteristics of the randomised controlled trials referenced in the 2015 American Heart Association guidelines update for cardiopulmonary resuscitation and emergency cardiovascular care (n=273)
| Characteristics | Values |
| Number of participants randomised, median (IQR) | 140 (59–372) |
| Number of participants analysed, median (IQR) | 130 (54–335) |
| Topics, n (%) | |
| BLS | 19 (7.0) |
| ACLS | 32 (11.7) |
| Postcardiac arrest care | 21 (7.7) |
| Acute coronary syndrome | 40 (14.7) |
| Neonatal and paediatric resuscitation | 50 (18.3) |
| Education | 90 (33.0) |
| Others | 21 (7.7) |
| Type of intervention, n (%) | |
| Drug trial | 37 (13.6) |
| Non-drug trial | 236 (86.4) |
| JCR category, n (%) | |
| Critical care medicine | 75 (27.5) |
| Medicine, general and internal | 60 (22.0) |
| Paediatrics | 41 (15.0) |
| Cardiac and cardiovascular systems | 32 (11.7) |
| Emergency medicine | 21 (7.7) |
| Anaesthesiology | 11 (4.0) |
| Education | 8 (2.9) |
| Nursing | 4 (1.5) |
| Clinical neurology | 3 (1.1) |
| Infectious diseases | 2 (0.7) |
| Obstetrics and gynaecology | 2 (0.7) |
| Peripheral vascular disease | 2 (0.7) |
| Pharmacology and pharmacy | 2 (0.7) |
| Medicine, research and experimental | 1 (0.4) |
| Substance abuse/psychiatry | 1 (0.4) |
| Surgery | 1 (0.4) |
| Not listed in JCR | 7 (2.6) |
ACLS, adult advanced cardiovascular life support; BLS, basic life support; JCR, Journal Citation Reports.