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Table 3 Characteristics of the target population (patients with depression initiating treatment) per database

From: Learning patient-level prediction models across multiple healthcare databases: evaluation of ensembles for increasing model transportability

 

CCAE

MDCD

MDCR

Optum Claims

Optum EHR

Mean age

41

35

75

50

49

Male (%)

30.8

25.9

32.2

31.7

29.2

Mean number outpatient visits in prior year

16.3

31.2

26.8

16.6

32.4

Frequency of patients experiencing condition in prior year

 Pain

0.60

0.74

0.74

0.66

0.57

 Anxiety

0.41

0.50

0.28

0.42

0.43

 Acute inflammatory disease

0.32

0.36

0.24

0.31

0.18

 Neoplastic disease

0.22

0.14

0.46

0.27

0.17

 Essential hypertension

0.25

0.31

0.69

0.40

0.37

 Obesity

0.11

0.19

0.11

0.13

0.17

 Heart disease

0.09

0.14

0.46

0.20

0.18

 Diabetes mellitus

0.09

0.14

0.27

0.16

0.16

 Urinary tract infectious disease

0.09

0.14

0.16

0.12

0.07

 Anemia

0.07

0.12

0.20

0.12

0.11