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Table 5 Summary of birth prevalence for Morquio (unclassified)

From: A systematic review of the prevalence of Morquio A syndrome: challenges for study reporting in rare diseases

 

Birth prevalence

PER 10, 000

Evidence of consanguinity

Evidence of ethnicity founder effect

Representative of whole country

Study period

Age at diagnoses

Cases born during study period Ɨ

Denominator = live births

Recommended enzymatic analysis

Quality

Saudi Arabia (Eastern Province) [34]

1 per 28, 000*

0.362*

Y

N

N

25 (1983-2008)

NR

Y

Y

YƗ

low

Denmark [33]

1 per 208, 000*

0.048*

N

Y

y

29 (1975-2004)

NR

NR

Y

YƗ

low

Colombia (B&C) [39]

1 per 147, 000*

0.068*

N

N

N

9 (1998-2007)

NR

Y

Y

unclear

medium

Canada (BC) [40]

1 per 303,000

0.033*

N

N

N

16 (1952-1968)

NR

NR

 

NR

low

  1. Abbreviations: BC British Colombia, B&C Boyacá and Cundinamarca, KOL Key Opinion Leader, N No, NR Not recorded, UK United Kingdom, Y Yes.
  2. *calculated by authors; Ɨassumed from the study period and age at diagnosis; ǂFibroblast & Leukocyte based analysis.
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Orphanet Journal of Rare Diseases

ISSN: 1750-1172