Table 5.

Onset of Hair Balding Pattern At Various Ages and Risk of Prostate Cancer¹,²

vs. Biopsy Negative
Hair Balding Pattern	Age of Onset3	Biopsy Negative	PCa cases	Odds Ratio	95% CI	P	P-trend
General:		229	167				0.07
	Never Bald	82	50	reference	-	-
	Age 30	54	48	1.55	0.90–2.67	0.12
	Age 40	39	35	1.37	0.75–2.52	0.31
	Current	54	34	0.96	0.54–1.71	0.89
Frontal:		229	167				0.07
	Never Bald	101	66	reference	-	-
	Age 30	48	44	1.63	0.93–2.86	0.09
	Age 40	31	28	1.63	0.80–3.32	0.18
	Current	49	29	0.96	0.48–1.91	0.91
Vertex:		229	167				0.57
	Never Bald	109	75	reference	-	-
	Age 30	24	19	1.24	0.63–2.48	0.53
	Age 40	28	20	1.04	0.53–2.05	0.91
	Current	68	53	1.04	0.64–1.69	0.88

¹Multivariate Analyses adjusted for race, age, family history, BMI, DRE, and PSA.

²Reference group were men who were never bald.