Another meta-analysis of 4 studies for a single group showed a pooled mean of 16.57 which was lower than the cut-off value of the IGDS9-SF tool. 
THERM
Three separate meta-analyses were performed using Comprehensive meta-analysis software and Revman 5.4. 
Comprehensive meta-analysis software
Three separate meta-analyses were performed using Comprehensive meta-analysis software and Revman 5.4. 
Revman 5.4