Table 2: Summary of articles measuring the PGV by CT.

First author,
Year of publication,
Country
Number of patients,
Age
CT Imaging details
Mean volume
Reference method
Mean volume
Reference detailsCorrelation
data
Concordance
Data and over/under estimation
Other
comments
Scores for Bias (0-2)
and
Quality (0-4)

Varkarakis [26] 2013   
Greece
60 pts, Mean 64 yrsEC,   
Mean 54 cc
Displacement of fresh specimen, Mean 45 ccSV and vas removedNSOverestimated PGVAlso used TRUS and SPUS, CT larger and less accurateB2  
Q2

Kilic [28]   
2014 Turkey
163 pts, Mean age 64 yrsEC,   
Mean 63 mL
Fresh weights, Mean 55 gmSV included  
SGF applied
ICC 0.78Overestimated on average by 15%, better agreement for larger PGVAlso used TRUS and SPUS, CT larger than both p<0.001B2  
Q2

Pts: patients, Yrs: years of age, TRUS: transrectal ultrasound, SPUS: suprapubic ultrasound, EC: ellipsoid calculation, PC: planimetric calculation, NS: not stated, SV: seminal vesicles, ICC: intraclass correlation coefficient, and SGF: specific gravity factor (1.05 g/mL).