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Table 3 Characteristics of the MPS I and MPS III patients. At the time of this study, one of the MPS III patients (aged 4 years and 9 months) was considered too young to determine the phenotypic severity

From: Failure to shorten the diagnostic delay in two ultra-orphan diseases (mucopolysaccharidosis types I and III): potential causes and implications

Patient characteristics

MPS I

N

MPS III

N

Total number of patients

29

Total number of patients

46

 Male

15

 Male

27

 Female

14

 Female

19

MPS I phenotype

MPS III subtype

 Hurler

20

 MPS IIIA

28

 Non-Hurler

9

 MPS IIIB

9

 

 MPS IIIC

9

MPS III phenotype

 Rapidly progressing (RP) MPS III

16

 Slowly progressing (SP) MPS III

28

 Unknown

1