Table 1a Patients characteristics with or without KIR incompatibility in the GVH direction

From: Effects of KIR ligand incompatibility on clinical outcomes of umbilical cord blood transplantation without ATG for acute leukemia in complete remission

Factor

ALL, n (%)

AML, n (%)

 

KIR compatible

KIR incompatible

P

KIR compatible

KIR incompatible

P

Number of patients

227

59

 

288

69

 

Year of transplant

  

0.621

  

0.639

 2001–2005 (%)

49 (22)

11 (19)

 

44 (15)

9 (13)

 

 2006–

178 (78)

48 (81)

 

244 (85)

60 (87)

 

Median age (years)

27

33

0.895

47

50

0.195

 0–15

83 (37)

16 (27)

0.355

41 (14)

9 (13)

0.926

 16–39

58 (26)

19 (32)

 

79 (27)

18 (26)

 

 >40

86 (38)

24 (41)

 

168 (59)

42 (61)

 

Male

108 (48)

38 (64)

0.021

145 (50)

44 (64)

0.045

Disease status

  

0.741

  

0.077

 CR1

153 (68)

43 (73)

 

182 (63)

37 (54)

 

 CR2

69 (30)

15 (25)

 

95 (33)

25 (36)

 

 >CR2

4 (2)

1 (2)

 

9 (3)

6 (9)

 

TNC infused × 107/kg

3.04 (1.61–24.77)

2.81 (1.45–24.91)

0.461

2.70 (1.46–38.70)

2.60 (1.59–10.84)

0.103

Conditioning

 RIC

47 (21)

11 (19)

0.703

101 (35)

28 (41)

0.392

 TBI

187 (82)

52 (86)

0.457

237 (82)

60 (87)

0.38

 ATG

0

0

 

0

0

 

HLA allele matching

  

<0.001

  

0.013

 0 miss

16 (7)

1 (2)

 

14 (5)

0

 

 1 miss

25 (11)

2 (3)

 

19 (7)

3 (4)

 

 2 miss

37 (16)

3 (5)

 

36 (13)

3 (4)

 

 3 miss

75 (33)

12 (20)

 

92 (32)

22 (32)

 

 4 miss

46 (20)

23 (39)

 

73 (25)

18 (26)

 

 >4 miss

28 (12)

18 (31)

 

54 (19)

23 (33)

 

GVHD prophylaxis

  

0.202

  

0.687

 CsA±MTX

96 (42)

31 (53)

 

133 (46)

30 (44)

 

 FK±MTX

126 (56)

28 (47)

 

151 (53)

38 (55)

 
  1. Abbreviations: ALL, acute lymphoblastic leukemia; AML, acute myeloid leukemia; ATG, anti-thymocyte globulin; CR, complete remission; CsA, cyclosporine; FK, tacrolimus; GVH, graft-versus-host; GVHD, GVH disease; HLA, human leukocyte antigen; KIR, killer cell immunoglobulin-like receptor; MTX, methotrexate; RIC, reduced-intensity conditioning; TBI, total body irradiation; TNC, total nucleated cells.