Table 1.

Basic information of included studies.

Author	Year	Country	Limb	Test timing, h
Arlettaz et al.	2006	Switzerland	Right or left foot	6–12
Bakr and Habib	2005	Egypt	Right upper and lower limbs	31.7 (average)
de Wahl Granelli et al.	2005	Sweden	Right hand and one foot	12–48
Hoke et al.	2002	America	Right arm and either leg	24 (average)
Koppel et al.	2003	America	—	>24
Richmond et al.	2002	UK	One or other foot	>2
Rosati et al.	2005	Italy	—	72 h (median)
Zhao et al.	2014	China	Both on the right hand and on either foot	6–72
Riede et al.	2010	Germany	Foot	24–72
Mathur et al.	2015	India	Right upper limb and either foot	72 (median)
Hu et al.	2016	China	Right hand and either foot	25 (median)
Jones et al.	2016	UK	—	<24
Ozalkaya et al.	2016	Turkey	Lower and right upper extremity	>24
Jawin et al.	2015	Malaysia	Left foot	20 (median)
Ewer et al.	2011	UK	Right hand and either foot	In the first few hours
Taksande et al.	2013	India	All the four limbs	Within the first 4 hours
van Niekerk et al.	2016	South Africa	—	60 (median)
de-Wahl Granelli et al.	2009	Sweden	Right hand and either foot	38 (median)
Meberg et al.	2008	Norway	Foot	<12
Mo et al.	2015	China	Right hand and either foot	>24
Jia et al.	2016	China	Right hand	24
Lu et al.	2016	China	Right hand and right foot	>24

Note. — indicates that the information was not mentioned in the article.