Table 1.

Characteristics of the study population

	Number of patients	Missing data	Mean	Median	Maximum	Minimum
Race	233	0
Black	41
Hispanic	22
Asian	4
White	166
Age of  diagnosis  (years)	233	0	63.48	63	84	42
≤65	137
>65	96
Gleason grade	231	2
≤6	28
7–8	111
≥9	92
TNM stage	216	17
≤2	97
≥3	119
PSA at diagnosis	227	6	76.56	12.7	3602	1
BMI, kg/m2	226	7	31	30.30	55.61	18.80
<30	105
30–35	64
>35	57

TNM, tumour–node–metastasis; PSA, prostate-specific antigen; BMI, body mass index.