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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 depressionmoderate depressionsevere depression
casescontrolscasescontrolscasescontrols
Number of insurants1.685.1136.740.4523.213.92512.855.7001.404.2505.617.000
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 (%)67.467.467.867.865.365.3
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 groups436944714170
 11- ≤ 20 diagnosis groups412640244125
 21+ diagnosis groups165165185
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)a724 (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