Table 1 Characteristics of the study group.

From: Effective treatment of Clostridioides difficile infection improves survival and affects graft-versus-host disease: a multicenter study by the Polish Adult Leukemia Group

Parameter

All patients

Patients diagnosed 2012–2016

Patients diagnosed 2017–2021

Demographic characteristics

 Group size, n (%)

109 (100)

41 (37.6)

68 (62.3)

 Sex distribution: female/male n (%)

54 (49.5)/55 (50.5)

19 (46.3)/22 (53.7)

35 (51.5)/33 (48.5)

 Age at allo-HCT, y, median (range)

49 (18–72)

45 (20–65)

51 (18–72)

Diagnosis, n (%)

 AML

51 (46.7)

20 (48.7)

31 (45.6)

 ALL

26 (23.9)

9 (22.0)

17 (25.0)

 MPN/MDS

20 (18.3)

9 (22.0)

11 (16.2)

 MM/HL/NHL/CLL

12 (11.0)

3 (7.3)

9 (13.2)

HCT-CI (n = 106), n (%)

 0

45 (42.4)

21 (51.2)

24 (36.9)

 1–2

34 (32.1)

16 (39.0)

18 (27.7)

 3–5

27 (25.5)

4 (9.8)

23 (35.4)

Transplant characteristics

Donor type, n (%)

Matched sibling donor

32 (29.4)

16 (39.0)

16 (23.5)

Unrelated donor (matched; mismatched)

65 (59.6)

22 (53.7)

43 (63.2)

Haploidentical

12 (11.0)

3 (7.3)

9 (13.2)

Graft source: PB/BM, n (%)

106 (97.2)/3 (2.8)

40 (97.6)/1 (2.4)

66 (97.0)/2 (3.0)

Conditioning regimen: MAC or RTC/RIC, n (%)

72 (66)/37 (34)

32 (78)/9 (22)

40 (58.8)/28 (41.2)

Day of neutrophil engraftment ANC > 0.5 G/l (if achieved), median (range)

17 (6–43)

19 (10–43)

17 (6–43)

Engraftment not achieved, n (%)

4 (3.7)

1 (2.4)

3 (4.4)

  1. ALL, Acute lymphoblastic leukemia; AML, Acute myeloid leukemia; ANC, Absolute neutrophil count; BM, Bone marrow; CDI, Clostridioides difficile infection; CLL, Chronic lymphocytic leukemia; HCT, Hematopoietic cell transplantation; HCT-CI, HCT comorbidity index; HL, Hodgkin lymphoma; MAC, Myeloablative conditioning; MDS, Myelodysplastic neoplasm; MM, Multiple myeloma; MPN, Myeloproliferative neoplasm; NHL, Non-Hodgkin lymphoma; PB, Peripheral blood; RIC, Reduced-intensity conditioning; RTC, Reduced-toxicity conditioning.