Table 3 Univariate analysis of post-transplantation outcomes for all patients.

From: Allogeneic hematopoietic stem cell transplantation for NK/T-cell lymphoma: an international collaborative analysis

Variable

Outcome

3-year probability [95% CI]

P value

Region

 

Europe

Asia

 
 

PFS

50.1% [39.2–60]

44.4% [28–59.6]

0.56

 

OS

57.7% [46.8–67.1]

50.7% [33.4–65.6]

0.55

 

RI

33.4% [23.7–43.3]

36.1% [20.7–51.7]

0.71

 

NRM

16.5% [9.7–24.9]

19.4% [8.4–33.9]

0.71

PINK score at diagnosis

Low/intermediate

High

 
 

PFS

61.4% [41.1–76.5]

50.9% [37.2–63]

0.51

 

OS

68.4% [47.9–82.2]

55.4% [41.2–67.5]

0.44

 

RI

35.1% [18.1–52.7]

31.6% [19.9–44]

0.60

 

NRM

3.4% [0.2–15.2]

17.5% [8.9–28.5]

0.07

Asparaginase before allo-HSCT

No

Yes

 
 

PFS

65.6% [47.4–78.9]

42.2% [31.8–52.2]

0.03

 

OS

64.8% [46.4–78.3]

52.2% [41.4–61.9]

0.11

 

RI

17.1% [6.8–31.3]

40.4% [30.1–50.5]

0.02

 

NRM

17.3% [6.9–31.7]

17.4% [10.4–25.9]

1.00

PD–1/PD–L1 inhibitor before allo-HSCT

No

Yes

 
 

PFS

46.8% [36.5–56.4]

53.8% [24.8–76]

0.66

 

OS

53.4% [42.9–62.9]

65.9% [31.5–86]

0.64

 

RI

35.4% [25.9–45]

23.1% [4.9–48.9]

0.32

 

NRM

17.8% [10.9–26.2]

23.1% [5.1–48.5]

0.57

Conditioning intensity

RIC

MAC

 
 

PFS

47.8% [34.6–59.8]

49.3% [36.6–60.7]

0.98

 

OS

54.3% [40.8–66]

56.9% [44.1–67.8]

0.92

 

RI

39.2% [26.7–51.4]

29.3% [18.7–40.7]

0.29

 

NRM

13.1% [6–22.9]

21.4% [12.4–32.1]

0.19

Donor type

 

MRD/Unrelated

Haploidentical

 
 

PFS

50.5% [40.2–59.8]

39% [20.2–57.4]

0.45

 

OS

55.8% [45.4–64.9]

52.6% [31.5–70]

0.71

 

RI

32.6% [23.6–42]

40.7% [21–59.6]

0.61

 

NRM

16.9% [10.3–24.9

20.3% [7.1–38.3]

0.67

Disease status at allo-HSCT

CR/PR

Non-CR/PR

 
 

PFS

52.1% [41.6–61.6]

37.0% [19.6–54.6]

0.08

 

OS

60.6% [50.3–69.4]

38.8% [20.4–56.9]

0.06

 

RI

29.7% [20.8–39]

51.9% [31.2–69]

0.02

 

NRM

18.3% [11.3–26.5]

11.1% [2.7–26.4]

0.40

  1. CI confidence interval, PFS progression-free survival, OS overall survival, RI cumulative incidence of relapse, NRM cumulative incidence of non-relapse mortality, PINK prognostic index for NK/T-cell lymphoma, RIC reduced-intensity conditioning, MAC myeloablative conditioning, MRD matched related donor, CR/PR complete response/partial response.