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Table 1 Example record from DIN illustrating linkage by problem number (Selected variables from the combined "Notes" and "Issues" files are ordered by event date. Type C indicates a chapter heading)

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)

Event

Seq

Probno

Type

Dosea

Dosei

Repeat

ReadRC

ReadRu

25/12/95

8

4

C

   

63..

Birth details

25/12/95

10

4

N

   

K4B1

Normal delivery – occipitoant.

25/12/95

12

4

P

   

6363

Baby BW = 10%-24% (2850–3149 g)

25/12/95

14

4

P

   

62P1

Breast fed

08/01/96

2

1

C

   

65..

Infectious dis:prevent/control

08/01/96

4

2

C

   

9192

Registered child surveillance

08/01/96

6

3

C

   

133D

Child of

10/01/96

16

225

A

   

9123

Patient reg. form sent to FPC

10/01/96

18

225

A

   

919Z

Child surveillance admin.NOS

09/02/96

20

5

C

   

L2..

Dermatitis/eczemas

09/02/96

21

5

M

15

a2

A

m411

HYDROCORTISONE 1% cream 15 g

09/02/96

22

2

P

   

64D4

Child 6 week exam. normal

26/02/96

24

1

P

   

65I1

First DTP (triple)+polio vacc.

26/02/96

26

1

P

   

657A

1st haemophilus B vaccination

25/03/96

28

1

P

   

65I2

Second DTP (triple)+polio vacc

25/03/96

30

1

P

   

657B

2nd haemophilus B vaccination

02/04/96

37

5

M

100

Up

A

m271

OILATUM PLUS bath emollient

22/04/96

38

1

P

   

65I3

Third DTP (triple)+polio vacc.

22/04/96

40

1

P

   

657C

3rd haemophilus B vaccination

24/06/96

43

5

M

400

__

A

m23k

SUDOCREM cream 400 g

24/06/96

45

5

M

500

Ap

A

m111

AQUEOUS cream

24/06/96

47

5

M

100

Up

R

m271

OILATUM PLUS bath emollient

23/08/96

48

2

P

   

64E4

8–9 month exam normal

30/08/96

50

2

P

   

64M5

Child exam.: hearing

24/02/97

52

1

P

   

65M1

Measles/mumps/rubella vaccn.

14/07/97

54

2

c

   

64F4

18 month exam. Normal

30/03/99

56

2

P

   

64H4

3.5 year exam. Normal

30/03/99

58

2

P

   

64N7

Child exam.: testes

01/04/99

60

6

C

   

22G2

O/E – parotid swelling

05/05/99

62

7

C

   

H161

Acute bronchitis

05/05/99

63

7

M

100

s3

A

e3zk

AMOXYCILLIN 125 mg/5 mL s/f susp

09/08/99

64

8

C

   

L15.

Impetigo

09/08/99

65

8

M

100

s4

A

e22j

FLUCLOXACILLIN 125 mg/5 mL syrup

15/10/99

66

9

C

   

F631

Acute suppurative otitis media

15/10/99

67

9

M

100

s3

A

e31k

AUGMENTIN 125/31 in 5 mL susp

05/01/00

68

1

P

   

65K4

Booster DT(double)+polio vacc.

05/01/00

70

1

P

   

65MA

MMR booster

02/08/00

72

1

P

   

657E

First meningitis C vaccination

02/08/00

74

1

P

   

657I

Single meningitis C vaccinatn

  1. Key; Event Day of Event. Seq Sequence Number. This is a unique sequential identifier for each entry in the "Notes". It also provides the link between "Notes" and "Issues". Probno Problem Number. This identifies all entries linked together under the problem-orientated linkage. Type Note Type. Defines the entry (C = Current/Major Problem Heading, M = Medication, P = Prevention, A = Administration and so on) Dosea Dosage Amount. Refers to drugs entries in the "Issues" only. Dosei Dosage Instructions. Refers to drugs entries in the "Issues" only. Repeat Repeat / Acute Flag. Refers to drugs entries in the "Issues" only. ReadRC 4 Byte Read Code. ReadRu Rubric for Read Code.