Table 2 Mention of the CONSORT extensions published before December 2014 in “Instructions to Authors” on journal websites
2014 | |
(2012 Impact factor) | |
N = 168 (%) | |
Abstracts Extension (2008) | 11 (7 %) |
Required | 0 |
Recommended | 10 |
Can’t tell | 1 |
Submit with checklist | 0 |
Acupuncture Extension (STRICTA) (2001, updated 2010) | 0 (0 %) |
Required | 0 |
Recommended | 0 |
Can’t tell | 0 |
Submit with checklist | 0 |
Cluster Trials Extension (2004, updated 2012) | 11 (7 %) |
Required | 4 |
Recommended | 4 |
Can’t tell | 3 |
Submit with checklist | 0 |
Harms Extension (2004) | 9 (5 %) |
Required | 5 |
Recommended | 1 |
Can’t tell | 3 |
Submit with checklist | 0 |
Herbal interventions Extension (2006) | 2 (1 %) |
Required | 0 |
Recommended | 1 |
Can’t tell | 1 |
Submit with checklist | 0 |
Noninferiority Extension (2006, updated 2012) | 4(2 %) |
Required | 0 |
Recommended | 3 |
Can’t tell | 1 |
Submit with checklist | 0 |
Nonpharmacological Extension (2008) | 4 (2 %) |
Required | 1 |
Recommended | 1 |
Can’t tell | 2 |
Submit with checklist | 1 |
Pragmatic Trials Extension (2008) | 2 (1 %) |
Required | 0 |
Recommended | 2 |
Can’t tell | 0 |
Submit with checklist | 0 |
Patient Reported Outcomes Extension (2013) | 1 (0.6 %) |
Required | 0 |
Recommended | 0 |
Can’t tell | 1 |
Submit with checklist | 0 |