Correlation between body mass index and prostate volume in benign prostatic hyperplasia patients undergoing holmium enucleation of the prostate surgery

Table 2 Linear regression showing association between body mass index and pre-operative prostate volume

	Unadjusted		Adjusted model 1		Adjusted model 2	P
	β	P	β	P	β	P
Age at surgery	0.002	0.19			0.003	0.13
BMI	0.009	0.006	0.010	0.004	0.010	0.002
Race/ethnicity
HAs versus EAs	0.031	0.38			0.030	0.39
Others versus EAs	− 0.043	0.42			− 0.054	0.16
Smoking
Non-smokers versus former smokers	0.034	0.32
Non-smokers versus current smoker	− 0.141	0.03
Diabetes	0.051	0.17	0.066	0.099	0.054	0.16
Hyperlipidemia	− 0.047	0.13	− 0.080	0.02	− 0.074	0.02
Hypertension	0.001	0.98
UTI	0.008	0.84
Bladder stone	0.051	0.29

Note Adjusted model 1 is based on backward selection, and BMI, diabetes, and hyperlipidemia were retained in the final mode. Additionally adjusted for age at surgery and race/ethnicity in model 2. Bold values indicate statistically significant (P < 0.05)
BMI body mass index, EA European Americans, HA Hispanic Americans, UTI urinary tract infection

ISSN: 1471-2490