Table 4.

Methodological Quality Measurement of the Included Pre and Post Intervention Studies

MINORS items	Reported and adequate
A clearly stated aim	Burton et al., 2010; Chang et al., 2003; Kwong et al., 2009; Lau et al., 2020; Ma et al., 2004; Shelley et al., 2008; Shelley et al., 2010
Inclusion of consecutive patients	Burton et al., 2010; Chang et al., 2003; Kwong et al., 2009; Lau et al., 2020; Ma et al., 2004; Shelley et al., 2008; Shelley et al., 2010
Prospective collection of data	Burton et al., 2010; Kwong et al., 2009; Lau et al., 2020; Ma et al., 2004; Shelley et al., 2008; Shelley et al., 2010
Endpoints appropriate to the aim of the study	Burton et al., 2010; Chang et al., 2003; Kwong et al., 2009; Lau et al., 2020; Ma et al., 2004; Shelley et al., 2008; Shelley et al., 2010
Unbiased assessment of the study endpoint	Burton et al., 2010; Chang et al., 2003; Kwong et al., 2009; Lau et al., 2020; Ma et al., 2004; Shelley et al., 2008; Shelley et al., 2010
Follow-up period appropriate to the aim of the study	Burton et al., 2010; Chang et al., 2003; Kwong et al., 2009; Lau et al., 2020; Ma et al., 2004; Shelley et al., 2008; Shelley et al., 2010
Loss to follow up less than 5%	Chang et al., 2003; Ma et al., 2004
Prospective calculation of the study size	0
An adequate control group*	Chang et al., 2003
Contemporary groups*	Chang et al., 2003
Baseline equivalence of groups*	Chang et al., 2003
Adequate statistical analyses*	Chang et al., 2003

*Only applicable to the quasi-experimental study with a control group.