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Table 5 Summary of emollient prescribing and eczema recording in DIN and GPRD birth cohorts in the first 5 years of life

From: Implications of the problem orientated medical record (POMR) for research using electronic GP databases: a comparison of the Doctors Independent Network Database (DIN) and the General Practice Research Database (GPRD)

 

DIN

GPRD

 

Number

%

Number

%

Children

    

Total number of children

40,183

 

76,310

 

Of which have at least one emollient prescription

16,799

41.8%

27,955

36.6%

Children with an emollient prescription

    

Of which also have an eczema diagnosis recorded in first 5 years of life

15,404

91.7%

22,444

80.3%

Of which also have an eczema diagnosis recorded that can be linked by problem number (and thus under the same chapter heading) in first 5 years of life (DIN only)

14,583

86.8%

_

 

Emollient prescriptions days

    

Total number of days with emollient prescriptions in first 5 years of life

85,870

 

123,413

 

Of which have an eczema diagnosis that appears on the same day

16,624

19.4%

41,647

32.7%

Of which an eczema diagnosis is made on the same day or can be linked to a previous one by problem number

74,217

86.4%

_

 

Of which have a chapter heading of eczema

64,461

75.1%

_

 

Of which have a chapter heading of eczema – excluding 20 practices (see methods n= 71,701)

59,688

83.3%

_

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