Table 1: Clinical characteristics of patients according to ATG administration.

Characteristic ATG+; n = 11 ATG -; n = 11
Age (median, years)
Gender (M/F ratio)
49 (18-73)
8/3
49 (24-64)
6/5
Diagnosis:

AML

MDS

sAA

MPD

CML

CLL

4 (36%)

0

3 (27%)

2 (18%)

1 (9%)

1 (9%)

4 (36%)

3 (27%)

-

2 (18%)

1 (9%)

1 (9%)

Disease status before alloSCT:

CR

Non CR

5 (45%)

6 (55%)

5 (45%)

6 (55%)

Cytogenetic and molecular genetic at the time of diagnosis:a

Adverse risk

Intermediate and favorable risk

4 (36%)

7 (64%)

4 (36%)

7 (64%)

Conditioning:

MAC b

RIC c

Non-Myeloablative d

5 (45.5%)

5 (45.5%)

1 (9%)

3 (27%)

8 (73%)

-

Donor's age (median, range) 45 (18-66) 49 (21-65)
Donor's gender (M/F ratio) 4/7 7/4
CD34+ × 106/kg in transplant 7.0 (3.2-13.6) 5.8 (4.0-8.0)
Engraftment:

WBC > 1.0/ml (median day, range)

Platelets > 50/ml (median day, range)

16 (12-0)

16 (12-25)

15 (11-18)

16 (10-20)

n: Number of Patients; M: Male; F: Female; AML: Acute Myeloid Leukemia; MDS: Myelodysplastic Syndrome; sAA: Severe Aplastic Anemia; MPD: Myeloproliferative Disorders; CML: Chronic Myeloid Leukemia; CLL: Chronic Lymphatic Leukemia; CR: Complete Remission; MAC: Myeloablative Conditioning; RIC: Reduced Intensity Conditioning; non-Myelo: Non-Myeloablative conditioning; WBC: White Blood Cells. aThe cytogenetic risk groups were defined as follows: adverse risk, -5/5q-, -7/7q-, abn(3q) (excluding t(3;5), t(11q23) (excluding t(9;11) and t(11;19)), abn(17p), complex aberrations (≥ 4 independent aberrations); intermediate risk, patients without low risk or high risk constellations; favorable risk, t(15;17), inv(16)/t(16;16), and t(8;21) irrespective of additional cytogenetic abnormalities [36]. bMAC: 12 Gy Total Body Irradiation and Cyclophosphamide (N = 4), Busulfan and Cyclophosphamide (n = 6). cRIC: Treosulfan and Fludarabin and (n = 6), FLAMSA protocol (n = 3), and Fludarabin and Melphalan (n = 2). dnon-myeloablative conditioning: 2 Gy Of Total Body Irradiation.