Table 5. Variation in terminology.

Journal [reference]	Healthcare area	Description
N Engl J Med 21	Lung Disease	‘863 infants were enrolled during the period from April 2010 through August 2013’(p.149)
Lancet 22	Osteoperosis	‘...we enrolled post-menopausal women with at least two moderate or one severe vertebral fracture and a bone mineral density’ (p.30) ‘We enrolled 680 patients in each group…’ (p.30)
Lancet 23	Oncology	‘Of 601 patients assessed for eligibility, a total of 452 patients… were recruited and randomly assigned’ (p.233) ‘...601 patients assessed for eligibility, of whom 452 patients were enrolled and 226 were randomly assigned ’ (p.229)
JAMA 24	Anaesthesia	'Patients undergoing anaesthesia with RSI were enrolled from February 2014 until February 2017...' (p.E1) '... Recruitment began in February 2014 and ended in February 2017’ (p.E2)
Lancet 25	Adolescent health	‘Of the 112 eligible schools, 75 were randomly selected to participate in the trial...' (p.2471) '...we recruited 75 schools' (p.2471)
JAMA 26	Retinopathy of prematurity	‘Patients were recruited between September 2014 and August 2016. 20 infants were screened and 19 were randomized’…(p.278) ‘20 patients were screened and 19 were enrolled' (p.279)
Lancet 27	Inflammatory diseases	‘Between Oct 6, 2015, and Nov 30, 2016, 166 patients were screened, of whom 102 were randomly assigned ...’ (p.1330) ‘...Patients were recruited between Oct 6, 2015, and Nov 30, 2016’ (p.1335)
BMJ Open 28	Critical care	‘...an enrolment of 114 patients was planned....’ (p.3) ‘One hundred fourteen patients were included in this study with 57 patients randomised in each group’ (p.3)