Table 3 Incidence and prevalence among patients with JoRRP and AoRRP

JoRRP

 Armstrong 2000

US

1996

0–18

0.1–2.1

1.0–4.0

 Derkay 1995

US

1993

 < 14

0.1

4.3

 Meites 2021

US

2004–2005

 < 18

2.0

-

2012–2013

 < 18

0.5^a

-

 Marsico 2014

US

2006

0–17

0.5 (privately insured)

1.0 (publicly insured)

1.5 (privately insured)

2.9 (publicly insured)

 Cristensen 1984

Denmark

Pre-1961

0–15

0.2

-

Denmark

After 1961

0–15

0.7

-

 Bomholt 1988

Denmark

1980–1983

0–14

0.6

0.8

 Lindeberg 1990

Denmark

1974–1993

0–14

0.4

-

 Omland 2012

Norway

1987–2009

0–17

0.2

-

 Campisi 2010

Canada

1994–2007

0–14

0.2

1.1

 Novakovic 2010

Australia

1998–2008

5–9

-

1.2–1.8

 Novakovic 2016

Australia

2000–2013

 < 15

-

0.8

Australia

2000–2013

5–9

-

1.1

 Novakovic 2018

Australia

2012

 < 15

0.1^†

-

Australia

2016

 < 15

0.02^†

-

 Novakovic 2016

Australia

2012

-

7 cases^a

-

Australia

2013

-

3 cases^a

-

Australia

2014

-

2 cases^a

-

Australia

2015

-

1 case^a

-

 Teutsch 2022

Australia

2021

 < 15

0.1^a

-

 Zurynski 2018

Australia

2012

 < 16

0.2^a

-

Australia

2016

 < 16

0.02^a

-

 Seedat 2018

Lesotho

2011–2013

0–14

0.5

1.0

South Africa

2011–2013

0–14

1.3

3.9

 Oh 2021

Korea

2002–2014

0–12

0.3

-

AoRRP

 Derkay 1995

US

1993–1994

18 + 

1.8

-

 Bomholt 1988

Denmark

1980–1983

18 + 

0.8

2.3

 Lindeberg 1990

Denmark

1974–1993

18 + 

3.9

-

 Omland 2012

Norway

1987–2009

18 + 

0.5

-

 Blackwell 2015

Scotland

2003–2014

18 + 

-

8.4

 Ndour 2020

South Africa

2009–2018

18 + 

3.1

-

 Seedat 2018

South Africa

2011–2013

18 + 

0.2

0.4