An evaluation of the preprints produced at the beginning of the 2022 mpox public health emergency

Table 2 Quality assessment of cross-sectional, cohort, and case-control studies using the Newcastle-Ottawa Scale

Study design	Study	Publication status	Selection (/3 or /4)	Comparability (/2)	Outcome^a (/2 or /3)	Total score (/7 or /9)	Risk of bias^b
Case-control	Yinka-Ogunleye [17]	Preprint	3/4	2	2/3	7/9	Medium
Case-control	Yinka-Ogunleye [17]	Published	3/4	2	2/3	7/9	Medium
Cross-sectional	Ahmed [19, 20]	Preprint	1/3	0	2/2	3/7	High
	Ahmed [19, 20]	Published	1/3	2	2/2	5/7	High
	Aljamaan [21, 22]	Preprint	0/3	0	2/2	2/7	High
	Aljamaan [21, 22]	Published	1/3	0	2/2	3/7	High
	Alshahrani [23, 24]	Preprint	1/3	0	2/2	3/7	High
	Alshahrani [23, 24]	Published	1/3	2	2/2	5/7	High
	Malik/ Winters [25, 26]	Preprint	0/3	2	2/2	4/7	High
	Malik/ Winters [25, 26]	Published	1/3	2	2/2	5/7	High
	Temsah [34, 35]	Preprint	0/3	0	2/2	2/7	High
	Temsah [34, 35]	Published	0/3	0	2/2	2/7	High
	Wang [27, 28]	Preprint	0/3	2	2/2	4/7	High
	Wang [27, 28]	Published	0/3	2	1/2	3/7	High
	Wang [29, 36]	Preprint	0/3	2	2/2	4/7	High
	Wang [29, 36]	Published	0/3	2	2/2	4/7	High
Cohort	De Baetselier [30, 31]	Preprint	2/4	0	2/3	4/9	High
	De Baetselier [30, 31]	Published	2/4	0	3/3	5/9	High
	Arbel [32]	Unpublished preprint	3/4	2	1/3	6/9	Medium
	Zucker [33, 37]	Preprint	3/4	2	3/3	8/9	Low
	Zucker [33, 37]	Published	3/4	2	3/3	8/9	Low

^aFor case-control studies, exposure was evaluated instead of outcome (according to the NOS for case-control)
^bBolding indicates change in score for the domain

ISSN: 2058-8615