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Table 2 Adjusted prevalence, prevalence rank order and O/E ratio of the 10 most prevalent triadic combinations of chronic conditions

From: Which chronic diseases and disease combinations are specific to multimorbidity in the elderly? Results of a claims data based cross-sectional study in Germany

Combinations of chronic conditions

Rank (1)

Prevalence in total cohort (2)

Prevalence in mm-sample (3)

Prevalence in male mm-sample (4)

Prevalence in female mm-sample (5)

O/E ratio of mm (6)

Hypertension + lipid metabolism disorders + chronic low back pain

1

7.5

12.1

11.1

12.6

1

Hypertension + chronic low back pain + osteoarthritis

2

6.4

10.4

8.1

11.8

1.3

Hypertension + lipid metabolism disorders + chronic ischemic heart disease

3

5.8

9.4

11.9

7.8

1.2

Hypertension + lipid metabolism disorders + diabetes mellitus

4

5.8

9.3

10.2

8.7

1,2

Hypertension + lipid metabolism disorders + osteoarthritis

5

5.4

8.6

6.6

9.9

1

Lipid metabolism disorders + chronic low back pain + osteoarthritis

6

4.7

7.5

6.1

8.4

1.4

Hypertension + lipid metabolism disorders + purine/pyrimidine metabolism disorders/gout

7

4.6

7.3

9.7

-

1.6

Hypertension + chronic low back pain + chronic ischemic heart disease

8

4.5

7.3

8.1

6.8

1

Hypertension + chronic low back pain + diabetes mellitus

9

4.5

7.3

7.1

7.4

1

Hypertension + diabetes mellitus + chronic ischemic heart disease

10

4.3

6.9

8.3

6.0

1,3

  1. For adjustment of the prevalences see Additional File 1; rank order according to prevalence in the sample;
  2. mm = multimorbidity
  3. mm-sample = multimorbid sample; O/E ratio = observed-to-expected ratio