Table 1.

Patient Variables Split by MICA-Matched versus MICA-Mismatched within 10/10 and 9/10 HLA Matching

Variable	MICA Matched	MICA Mismatched	P Value*
No. of patients	522	191
No. of centers	99	63
Recipient age at transplantation, yr			.42
10–19	12 (2)	8 (4)
20–29	84 (16)	37 (19)
30–39	64 (12)	20 (10)
40–49	111 (21)	34 (18)
50–59	251 (48)	92 (48)
Median (range)	49 (18–74)	49 (18–75)	.29
Recipient race/ethnicity			.36
Caucasian, non-Hispanic	481 (94)	169 (90)
African-American, non-Hispanic	5 (1)	5 (3)
Asian, non-Hispanic	4 (1)	3 (2)
Native American, non-Hispanic	2 (<1)	0
Hispanic, Caucasian	18 (4)	10 (5)
Hispanic, African-American	1 (<1)	0
Hispanic, race unknown	1 (<1)	1 (1)
Unknown	10 (N/A)	3 (N/A)
Recipient sex			.64
Male	274 (52)	104 (54)
Female	248 (48)	87 (46)
Karnofsky score			.30
10–80	177 (37)	58 (32)
90–100	305 (63)	121 (68)
Unknown	40 (N/A)	12 (N/A)
Disease at transplantation			.67
AML	293 (56)	102 (53)
ALL	83 (16)	29 (15)
MDS	146 (28)	60 (31)
Disease status at transplantation			.97
Early	365 (70)	134 (70)
Intermediate	4 (1)	2 (1)
Advanced	133 (25)	47 (25)
Other	20 (4)	8 (4)

Data presented are n (%) unless otherwise indicated.

^*The Pearson chi-square test was used for comparing discrete variables; the Kruskal-Wallis test was used for comparing continuous variables.