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Table 2 Characteristics of the study population according to severity of depression diagnosis, 2017

From: Mental and somatic comorbidity of depression: a comprehensive cross-sectional analysis of 202 diagnosis groups using German nationwide ambulatory claims data

  mild depression moderate depression severe depression
cases controls cases controls cases controls
Number of insurants 1.685.113 6.740.452 3.213.925 12.855.700 1.404.250 5.617.000
Age (mean, SD) 56.1 (18.8) 56.1 (18.8) 55.4 (17.8) 54.3 (17.9) 55.5 (17.2) 55.4 (17.3)
Women (%) 67.4 67.4 67.8 67.8 65.3 65.3
Number of different doctors seen in 2017 (median, Q1, Q3) 8 (5, 12) 5 (3, 8) 8 (5, 12) 5 (3, 8) 8 (5, 12) 5 (2, 8)
Number of diagnosis groups (%)
 ≤ 10 diagnosis groups 43 69 44 71 41 70
 11- ≤ 20 diagnosis groups 41 26 40 24 41 25
 21+ diagnosis groups 16 5 16 5 18 5
Number of treatment cases in 2017 (median, Q1, Q3) 12 (8, 17) 8 (4, 12) 12 (8, 18) 7 (4, 12) 13 (9, 19) 7 (4, 12)
Total cost of ambulatory care (€) in 2017 (median, Q1, Q3)a 724 (393, 1248) 357 (155, 684) 832 (448, 1484) 340 (148, 652) 892 (495, 1552) 345 (150, 661)
  1. SD Standard deviation, Q1 Quartile 1, Q3 Quartile 3
  2. aCosts of ambulatory drug prescriptions are not included