Table 2.

Multivariable logistic regression model results for prediction of prostate cancer detection based on sarcosine and standard risk factors

	Odds ratio (95 % confidence interval)	P-value
Age	1.0 (0.9–1.1)	0.11
Race
African American	1.3 (0.6–3.0)	0.47
Other	1.2 (0.7–2.3)	0.49
At least one previous prostate biopsy	0.7 (0.3–1.3)	0.26
Abnormal Digital Rectal Exam	30.5 (11.8–92.2)	<0.001
Family history of prostate cancer	3.5 (1.8–6.8)	<0.001
Prostate-specific antigen (ng/mL)a	4.4 (3.3–5.9)	<0.001
Sarcosine uM in 20uL seruma	1.1 (0.7–1.8)	0.64

^aVariable was log₂ transformed in the model