Table 1.

Pathological and chromosomal characteristics of 1253 DLBCL specimens

Characteristic	PD-L1+ (n = 132)		PD-L1– (n = 1121)				P*	P†
			mPD-L1+ (n = 172)		mPD-L1– (n = 949)
	No.	%	No.	%	No.	%
Age (y)
Median	71.5		72		71
Range	14-97		22-90		8-93
>60	102	77	138	80	712	75	.71	.14
DLBCL subtypes							<.0001	<.0001
GCB	22	17	31	18	408	43
non-GCB	110	83	141	82	541	57
EBV-ISH positive	22	17	37	22	55	6	.0014	<.0001
Chromosomal abnormality	(n = 35)		(n = 47)		(n = 338)
Gain of 9	8	23	1	2	16	5	.0004‡	.71‡
9p structural abnormalities	8	23	7	15	39	12	.11‡	.51

ISH, in situ hybridization.

^*PD-L1⁺ vs PD-L1^–.

^†mPD-L1⁺ vs mPD-L1^–.

^‡Fisher’s exact test.