Table 1

Patient demographics and disease characteristics

	Number of patients, median	%	Quartiles
Race
Chinese	565	82.5
Malay	66	9.6
Indian	39	5.7
Others	15	2.2
ECOG PS
0–1	603	88.0
2–4	82	12.0
Year of diagnosis
1995–1999	129	18.8
2000–2004	120	17.6
2005–2009	165	24.1
2010–2014	271	39.5
Age (years)	73		66–78
Method of diagnosis
TRUS	385	56.2
TURP	143	20.9
Biopsy of metastasis	55	8.0
Radiological	102	14.9
PSA stratification
0–20	60	8.8
20.1–50	61	8.9
50.1–100	84	12.3
>100	480	70.2
Gleason score
7	180	34.1
8–10	348	65.9
Metastatic sites
Bone	585	85.4
Lymph node	134	19.6
Lungs	52	6.7
Liver	18	1.8
Brain	7	1.0
High volume bone metastasis	442	64.5
Visceral metastasis	60	8.7

ECOG PS, Eastern Cooperative Oncology Group Performance Status; PSA, prostate-specific antigen; TRUS, transrectal ultrasound; TURP, transurethral resection of prostate;