Prognostic significance of castrate testosterone levels for patients with intermediate and high risk prostate cancer

Table 4 Comparison of studies analyzing the effect of castrate testosterone levels in intermediate and high risk prostate cancer patients receiving androgen deprivation treatment and definitive radiotherapy

	Bryant et al[15]	Nabid et al[16]	Current study
Time	2000-2015	2000-2010	1998-2011
Patient number	764	796	173
Hormone treatment	ADT+/- AA	ADT+/- AA	ADT+AA
Follow up (yr)	5.27	9.15	10.4
RT dose	Unknown	Unknown	73.4-76 Gy
RT technique	Unknown	Unknown	3DCRT-IMRT
Biochemical relapse rate
< 20 ng/dL	18.3% (10 yr)	20.8%	17% (10 year)
20-49 ng/dL	28.1% (10 yr)	24.9%	35% (10 year)

ADT: Androgen deprivation treatment; AA: Antiandrogen; RT: Radiotherapy; 3DCRT: 3 dimensional conformal radiotherapy; IMRT: Intensity modulated radiotherapy.