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Table 5 Comparison of outcomes between LI-MLD and J-MLD sibling pairs

From: Long-term outcomes after allogeneic hematopoietic stem cell transplantation for metachromatic leukodystrophy: the largest single-institution cohort report

Pair (ID)

MLD Subtype

Age at HSCT (Sx)

GMFC-MLDa

ELFC-MLDa

ADLb

VABSc Age Equivalent

Age at Follow-Up (Deceased)

M1

M2

M3

M4

M5

M6

E1

E2

E3

E4

Dress

Feed

Meal

Toilet

Hyg.

Sch.

Work

Ind.

A (3)

LI

0,8 (No)

—

—

1,3

1,6

2,0

2,3

2,6

2,9

3,0

5,5

—

—

—

—

—

—

—

—

0,1

19,11

A (3sib)

LI

No HSCT

1,4

1,9

2,0

2,2

2,3

2,10

1,4

1,7

1,7

1,7

—

—

—

—

—

—

—

—

N/A

(4,6)

B (4)

J

4,10 (Yes)

3,0

12,0

12,0

12,0

12,0

24,0

3,0

5,0

18,0

+

—

13,0

—

—

—

21,0

26,0

—

1,7

34,11

B (4sib)

J

No HSCT

4,0

4,0

5,0

5,0

5,0

5,0

4,0

4,0

5,0

5,0

—

4,6

—

4,0

—

9,0

—

—

N/A

(9,3)

C (10)

J

5,8 (Yes)

5,0

7,2

7,9

8,0

9,0

+

6,8

8,0

+

+

5,10

6,6

—

6,6

7,0

+

—

—

1,0

24,0

C (10sib)

J

No HSCT

5,0

5,6

6,8

7,0

7,4

7,10

5,6

6,0

6,8

7,2

5,3

5,10

—

5,10

5,10

9,0

—

—

N/A

(18,0)

D (17)

J

7,8 (Yes)

6,0

7,0

9,0

9,7

12,0

13,4

6,0

9,7

12,6

15,0

9,0

9,0

—

6,0

8,0

+

—

—

0,5

19,4

D (17sib)

J

4,3 (No)

13,0

+

+

+

+

+

14,0

+

+

+

+

+

—

+

+

+

—

—

X

15,2

E (27)

J

16,1 (Yes)

16,0

16,0

16,0

16,0

16,0

+

16,0

+

+

+

16,1

16,1

16,1

15,0

+

21,0

—

—

3,0

26,6

E (22)

J

11,1 (No)

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

21,6

21,6

  1. Ages expressed as years, months; sib Sibling not in our HSCT cohort, LI Late-Infantile, J Juvenile, Sx Symptoms present at transplant, HSCT Hematopoietic stem cell transplantation, a Age in years, months at entry into respective level, see Fig. 1 for GMFC-MLD and ELFC-MLD level definitions, b Age at loss of independent performance of common activities of daily living, Dress Dressing oneself, Feed Feeding oneself, Meal Meal preparation, Toilet Toileting, Hyg Self-hygiene, Sch School participation, Work Work/volunteer participation, Ind Independent living, c Vineland Adaptive Behavior Scales (VABS) composite functional age equivalent score at the calendar age of follow-up, N/A Data not applicable, + Loss of skill or function has not yet happened, — Has never achieved skill or function, X Data not available