Table I.

Clinical Characeristics of PMBL and Other DLBCL Patients

			PMBL	PMBL	PMBL
	ABC DLBCL (n = 86)	GCB DLBCL (n = 103)	Training set (n = 18)	Validation set (n = 25)	All cases (n = 43)	P value
Median age	66	61	33	33	33	4.4E-16
Age <35	5%	10%	52%	56%	53%	7.2E-14
Age 35–60	29%	38%	44%	28%	37%
Age >60	66%	52%	4%	17%	9%
Gender = male	59%	53%	44%	50%	47%	0.38
Female <35	2%	3%	32%	39%	35%	1.1E-12
Male <35	2%	7%	20%	17%	19%
Female 35–60	6%	18%	24%	6%	16%
Male 35–60	23%	19%	20%	22%	21%
Female >60	33%	25%	0%	6%	2%
Male >60	34%	27%	4%	11%	7%