Table 1. Prevalence of PK in Northern... | American Society of Hematology

Table 1.

Prevalence of PK in Northern Health Region, United Kingdom, 1930–99

Decade of birth	Population in age group	Number of patients with PK	Prevalence per million
1990-99	NA	0	—
1980-89	400 000	1	2.5
1970-99	390 000	2	5.0
1960-69	470 000	4^*	8.5
1950-59	430 000	1	2.5
1940-49	403 000	1	2.5
1930-39	330 000	1	^†
Total population	3 100 000	10	3.2

Decade of birth	Population in age group	Number of patients with PK	Prevalence per million
1990-99	NA	0	—
1980-89	400 000	1	2.5
1970-99	390 000	2	5.0
1960-69	470 000	4^*	8.5
1950-59	430 000	1	2.5
1940-49	403 000	1	2.5
1930-39	330 000	1	^†
Total population	3 100 000	10	3.2

NA, not available.

Includes one pair of siblings.

See text for explanation.