Table 3.

Prevalence of reporting as pragmatic trial and trial registration (Data source: MEDLINE N = 4337).

Item	N (%)
Identification as pragmatic trial
Self-identification as “pragmatic”:
Anywhere (title, abstract or main text)	964 (22.2%)
In title or abstract	534 (12.3%)
In main text only (not in title or abstract))	430 (9.9%)
Identification as pragmatic by NLM
Pragmatic Clinical Trial as Publication type *	268 (6.2%)
Pragmatic Clinical Trials as Topic *	22 (0.5%)
Trial registration
Registration indicated anywhere in text	3386 (78.1%)
In abstract (n = 3386)	1991 (58.8%)
In full text only (n = 3386)	1395 (41.2%)
Registration not reported	952 (21.9%)
Trial Registry, if registered ** (n = 3386)
ClinicalTrials.gov	1988 (58.7%)
ISRCTN	660 (19.5%)
ANZCTR	286 (8.4%)
Other registry only	466 (13.8%)

^*As per December 2, 2020.

^**Trials may be registered in multiple registries, so does not sum to 3386.