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Table 4 Percentage change in the crude admission rates for specific types of skeletal dysplasias from 2017 to 2019

From: The burden of hospital admissions for skeletal dysplasias in Sri Lanka: a population-based study

Disease type

Crude rate in 2017

(A)

Crude rate in 2019

(B)

Percentage changea from 2017 to 2019b

Osteogenesis imperfecta

3.08

4.63

50.3%

Achondroplasia

0.23

0.78

239.1%

Osteopetrosis

0.19

0.87

357.9%

Other skeletal dysplasias

1.73

1.74

0.5%

Total

5.22

8.03

53.9%

  1. aPercentage change = (B-A)/A×100%,
  2. bThe influence of the COVID-19 pandemic on data prevented consideration of the crude rate in 2020