Effect of whole-body vibration on reduction of bone loss and fall prevention in postmenopausal women: a meta-analysis and systematic review

Table 1 Methodological quality of the included studies based on the 12-item scoring system

Study	Randomized adequately^a	Allocation concealed	Patient blinded	Care provider blinded	Outcome assessor blinded	Acceptable dropout rate^b	ITT analysis^c	Avoided selective reporting	Similar baseline	Similar or avoided cofactor	Patient compliance^d	Similar timing	Quality
Verschueren et al., 2004 [11]	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Moderate
Rubin et al., 2004 [20]	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	High
Iwamoto et al., 2005 [22]	Yes	No	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Moderate
Gusi et al., 2006 [12]	Yes	No	Yes	No	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Moderate
Stengel et al., 2011 [14]	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	High
Stengel et al., 2011 [15]	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	High
Lai et al.,2013 [13]	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	High
Leung et al., 2014 [21]	Yes	Yes	Yes	No	Yes	No	Yes	Yes	Yes	Yes	No	Yes	High

^aOnly if the method of sequence made was explicitly introduced could get a “Yes”; sequence generated by “Dates of Admission” or “Patients Number” receive a “No”
^bDropout rate <20 % could get a “Yes”, otherwise “No”
^cITT = intention-to-treat, only if all randomized participants were analyzed in the group, they were allocated to receive a “Yes”
^dMore than 75 % patients accept respective treatment for at least 6 weeks means “Yes”, otherwise “No”

ISSN: 1749-799X