The effect of the head-up position on cardiopulmonary resuscitation: a systematic review and meta-analysis

Table 2 Quality assessments according to the ARRIVE guidelines 2.0

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	Quality score
Debaty 2015	+	+	−	+	+	+	+	+	+	+	+	+	+	+	−	−	+	−	+	+	+	17
Ryu 2016	+	+	−	+	−	+	+	+	+	+	+	+	+	+	−	+	+	+	+	−	+	17
Kim 2017	+	+	−	+	+	+	+	−	+	+	+	+	+	+	−	−	+	+	+	+	+	17
Moore 2017	+	+	−	+	+	+	+	+	+	+	+	+	+	+	−	−	+	+	+	+	+	18
Putzer 2018	+	+	−	+	−	+	+	−	+	+	+	+	+	+	−	+	+	+	+	+	+	17
Moore 2018	+	−	−	−	−	+	+	+	+	+	+	+	+	+	−	+	+	+	+	−	+	15
Park 2019	+	+	−	+	−	+	+	+	+	+	+	+	+	+	−	+	+	+	+	−	+	17

Quality items: (1) study design; (2) sample size; (3) inclusion and exclusion criteria; (4) randomization; (5) blinding; (6) outcome measures; (7) statistical methods; (8) experimental animals; (9) experimental procedures; (10) results; (11) abstract; (12) background; (13) objectives; (14) ethical statement; (15) housing and husbandry; (16) animal care and monitoring; (17) interpretation/scientific implications; (18) generalizability/translation; (19) protocol registration; (20) data access; and (21) declaration of interests

ISSN: 1364-8535