Table 1 Univariate cox regression analysis of patient and COVID-19 characteristics on OS and DFS.

From: Allogeneic hematopoietic cell transplantation after infection with SARS-CoV-2 during the COVID-19 pandemic: a multicenter retrospective analysis

Characteristic

Overall survival

Disease-free survival

N

HR

95% CI

p-value

N

HR

95% CI

p-value

Year of Transplantation

49

   

49

   

 2020

 

  

 

 2021

 

0.31

0.08, 1.15

0.080

 

0.38

0.11, 1.29

0.12

 2022

 

0.00

0.00, Inf

>0.9

 

0.00

0.00, Inf

>0.9

Disease Status at HSCT

38

   

38

   

 CR

 

  

 

 no CR

 

2.97

0.54, 16.2

0.2

 

0.79

0.14, 4.30

0.8

Karnofsky Index

48

   

48

   

 <90

 

  

 

 90–100

 

0.55

0.15, 2.07

0.4

 

0.23

0.07, 0.78

0.019

Patient Age at HSCT (years)

49

1.01

0.97, 1.06

0.6

49

0.98

0.94, 1.02

0.3

Patient Sex

49

   

49

   

 Female

 

  

 

 Male

 

0.92

0.25, 3.45

>0.9

 

0.63

0.19, 2.09

0.5

Donor Sex

46

   

46

   

 Female

 

  

 

 Male

 

0.31

0.08, 1.14

0.079

 

0.55

0.17, 1.83

0.3

Donor Type

49

   

49

   

 Haplo

 

  

 

 MMUD

 

0.88

0.12, 6.25

0.9

 

1.14

0.23, 5.68

0.9

 MRD

 

0.36

0.03, 3.97

0.4

 

0.26

0.03, 2.46

0.2

 MUD

 

0.75

0.14, 4.12

0.7

 

0.58

0.13, 2.64

0.5

CMV Antibody Match

49

   

49

   

 Match

 

  

 

 IgG negative donor, positive patient

 

2.61

0.62, 10.9

0.2

 

1.50

0.40, 5.67

0.5

 IgG positive donor, negative patient

 

0.96

0.11, 8.27

>0.9

 

0.00

0.00, Inf

>0.9

Karyotyp

41

   

41

   

 Abnormal

 

  

 

 Normal

 

0.79

0.14, 4.34

0.8

 

0.54

0.11, 2.71

0.5

Conditioning

41

   

41

   

 MAC

 

  

 

 RIC/NMA

 

2.17

0.44, 10.8

0.3

 

1.05

0.19, 5.77

>0.9

Maximal Severity of COVID-19 (WHO)

49

   

49

   

 Mild

 

  

 

 Moderate

 

4.90

0.69, 34.9

0.11

 

1.36

0.25, 7.41

0.7

 Severe/critical

 

7.20

1.39, 37.2

0.019

 

1.99

0.53, 7.52

0.3

Time from Neoplasia to COVID-19 (days)

39

1.00

1.00, 1.00

>0.9

39

1.00

1.00, 1.00

0.10

Time from COVID-19 to HSCT (days)

48

1.00

0.99, 1.01

>0.9

48

1.00

0.99, 1.01

0.7

CT-abnormalities

49

   

49

   

 No pneumonia

 

  

 

 Pneumonia like changes

 

3.49

0.44, 27.9

0.2

 

2.11

0.46, 9.76

0.3

FEV1 (%) prior to Allo

32

0.97

0.91, 1.05

0.5

32

0.98

0.93, 1.04

0.6

FEV1/FVC (%)

39

1.01

1.00, 1.03

0.049

39

1.01

1.00, 1.03

0.028

DLCO (%) prior to Allo

29

0.92

0.85, 1.00

0.056

29

0.98

0.93, 1.03

0.4

ICU during COVID19

46

   

46

   

 No

 

  

 

 Yes

 

2.12

0.51, 8.89

0.3

 

1.74

0.43, 7.02

0.4

GvHD Prophylaxis

36

   

36

   

 ATG-based

 

  

 

 CsA-based

 

2.65

0.44, 15.9

0.3

 

2.12

0.43, 10.5

0.4

 postCy-based

 

2.44

0.34, 17.4

0.4

 

2.40

0.46, 12.4

0.3

Peak CRP during COVID19 (mg/dl)

26

1.00

0.90, 1.11

>0.9

26

1.02

0.92, 1.12

0.7

Peak IL6 during COVID19 (ng/l)

14

1.00

1.00, 1.00

0.094

14

1.00

1.00, 1.00

0.10

Peak PCT during COVID19 (ng/ml)

13

0.02

0.00, 24.3

0.3

13

0.00

0.00, 67.1

0.3

  1. HR Hazard Ratio, CI Confidence Interval, HSCT Hematopoietic stem cell transplantation, CR Complete remission, MMUD Mismatched unrelated donor, MRD Matched related donor, MUD Matched unrelated donor, CMV Cytomegalovirus, IgG Immunoglobulin G, MAC Myeloablative conditioning, RIC Reduced intensity conditioning, NMA Nonmyeloablative, WHO World Health Organization, CT Computed tomography, FEV1 Forced expiratory volume in 1 s, FVC Forced vital capacity, DLCO Diffusing capacity, ICU Intensive care unit, GvHD Graft-versus-host disease, ATG Antithymocyte globulin, CsA Cyclosporine A, Cy Cyclophosphamide, CRP  C-reactive protein, IL6 Interleukin 6, PCT Procalcitonin.