Population Qualitative Data

Population age groups

Paediatric Population (< 18 years)
Preterm newborn infants (0 – 27 days)
Term newborn infants (0 – 27 days)
Infants and toddlers (28 days – 23 months)
Children (2 to < 12 years)
Adolescents (12 to < 18 years)
Adults (18 to < 46 years)
Adults (46 to < 65 years)
Elderly (≥ 65 years)
Adults (65 to < 75 years)
Adults (75 to < 85 years)
Adults (85 years and over)

Estimated percentage of the population covered by the data source in the catchment area

20%

Description of the population covered by the data source in the catchment area whose data are not collected (e.g., people who are registered only for private care)

GP practices that do not contribute data to CPRD and patients who opt-out of data sharing for research purposes.
Family linkage

Family linkage available in the data source permanently or can be created on an ad hoc basis

Permanently

Family linkage available between the following persons

Mother-child
Population

Population size

67026300

Active population size

16227262

Population by age group

Age groupActive population size
Paediatric Population (< 18 years)
3260000
Elderly (≥ 65 years)
2819900
Median observation time

Median time (years) between first and last available records for unique individuals

5.21

Median time (years) between first and last available records for unique active individuals (alive and currently registered)

9.62