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Table 1 General characteristics of the top 10 rare diseases with most cases on the Target Rare Diseases List 2017

From: Rare diseases in China: analysis of 2014–2015 hospitalization summary reports for 281 rare diseases from 96 tertiary hospitals

Disease

Total No.

2014

2015

N

Male

N (%)

Age (yr, mean ± SD)

N

Male

N (%)

Age (yr, mean ± SD)

Thalassemia

14,855

6782

1761 (25.97%)

28.5 ± 17.0

8073

1836 (22.74%)

29.4 ± 16.5

IPAH

9536

4661

1837 (39.41%)

46.7 ± 24.7

4875

1934 (39.67%)

51.6 ± 23.9

PLCH

7657

3302

2114 (64.02%)

7.1 ± 10.5

4355

2799 (64.27%)

7.7 ± 11.5

Moyamoya disease

7419

3441

1642 (47.72%)

41.0 ± 15.3

3978

1834 (46.10%)

42.3 ± 15.1

MND

4057

2030

1331 (65.57%)

55.8 ± 13.9

2027

1347 (66.45%)

56.7 ± 12.8

IPF

3764

1470

1001 (68.10%)

67.3 ± 12.8

2294

1579 (68.83%)

69.0 ± 13.1

SSc

3252

1522

286 (18.80%)

51.5 ± 13.8

1730

335 (19.36%)

51.2 ± 14.2

HLD

3000

1433

773 (53.94%)

23.9 ± 13.3

1567

887 (56.60%)

24.9 ± 14.2

CoA

2654

1269

865 (68.16%)

9.2 ± 14.8

1385

893 (64.48%)

10.7 ± 16.4

TGA

2221

1082

707 (65.34%)

6.6 ± 13.1

1139

757 (66.46%)

7.8 ± 14.4

  1. CoA coarctation of the aorta, HLD hepatolenticular degeneration, IPAH idiopathic pulmonary arterial hypertension, IPF idiopathic pulmonary fibrosis, MND motor neuron disease, PLCH pulmonary Langerhans cell histiocytosis, SSc systemic sclerosis, TGA transposition of the great arteries