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Table 1 Physician-reported prevalence of PI by region

From: Growth in diagnosis and treatment of primary immunodeficiency within the global Jeffrey Modell Centers Network

 

Patients followed

Patients identified w/PI defects

2021

2018

2013

% Change (%)

2021

2018

2013

% change (%)

US

79,638

63,684

40,560

96.3

33,396

30,227

22,781

46.6

Canada

5440

4923

4058

34.1

3078

3047

3880

− 20.7

Latin America

12,257

12,487

5377

128.0

9531

8793

5361

77.8

Western Europe

86,399

46,011

35,932

140.5

37,040

28,592

25,518

45.2

Eastern Europe

54,743

47,525

42,458

28.9

14,936

11,631

11,886

25.7

Middle East

9823

7155

5520

78.0

8408

5664

4370

92.4

Asia

5178

2581

3373

53.5

4212

2358

1843

128.5

Australia

1978

1927

91

2073.6

1796

1876

91

1873.6

Africa

2936

1695

1478

98.6

1792

1836

1463

22.5

Total

258,392

187,988

138,847

86.1

114,189

94,024

77,193

47.9

  1. The number of patients followed and identified with a specific PI defect by region in 2021, 2018, and 2013