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Table 2 Characteristics of the study population

From: Approaches to ascertaining comorbidity information: validation of routine hospital episode data with clinician-based case note review

Characteristic

n

%

Total

3219

l00.0

Sex

  

Male

1,414

43.9

Female

1,805

56.1

Age at index

  

Median age (years)

76.3

 

15-44

84

2.6

45-54

105

3.2

55-64

269

8.4

65-74

722

22.4

75-84

1,348

41.9

≥85

691

21.5

CKD stage at index

  

3

2.156

67.0

4

973

30.2

5

90

2.8

Number of morbidities* ,

  

0

315

9.8

1

896

27.8

2

1,002

31.1

3

643

20.0

4

272

85

5

73

2.3

6

16

0.5

7

2

0.1

Scottish government 6-fold urban rural classification*

1 Large urban areas

1,266

39.3

2 Other urban areas

513

15.9

3 Accessible small towns

266

8.3

4 Remote small towns

299

9.3

5 Accessible rural areas

498

15.5

6 Remote rural areas

338

10.5

Missing

39

1.2

SIMD 2009 quintlle*

  

1 most deprived

234

7.3

2

538

16.7

3

812

25.2

4

867

26.9

5 least deprived

729

22.7

Missing

39

1.2

  1. SIMD, Scottish Index of Multiple Deprivation.
  2. *based on case note review.
  3. excluding smoking status.