Variable / No Mental Illness or Addiction
(n=201,834) / Mental Illness or Addiction Diagnostic Group
Any Mental Illness or Addiction
(n=113,102) / Major Mental Illness
Any Major Mental Illness
(n=41,662) / Major Mood Disorder
(n=25,045) / Psychotic Disorder
(n=7,375) / Substance Use Disorder
(n=17,257)
Overall
Total cost, $CAD millions (% of total) / 7,105.9 (100) / 4,211.7 (100) / 1,660.6 (100) / 985.3 (100) / 325.7 (100) / 689.4 (100)
Mean cost/user, $CAD (SD) / 35,206.45 (36,838.88) / 37,237.81 (41,085.02) / 39,858.99 (44,829.45) / 39,339.49 (44,205.12) / 44,167.98 (51,066.81) / 39,948.58 (44,513.62)
Inpatient Care
Total cost, $CAD millions (% of total) / 3, 494.5 (49.2) / 2,070.0(49.2) / 837.3(50.4) / 482.0(48.9) / 155.8 (47.8) / 376.7(54.6)
Mean Cost/user, $CAD (SD) / 17,313.94 (26,459.34) / 18,302.08 (29,644.20) / 20,097.03 (32,394.37) / 19,245.51(31,223.44) / 21,120.63 (36,610.72) / 21,826.04(33,635.63)
Emergency Department
Total cost, $CAD millions (% of total) / 190.8 (2.7) / 129.0 (3.1) / 54.1 (3.3) / 32.7 (3.3) / 10.3 (3.2) / 25.3 (3.7)
Mean Cost/user, $CAD (SD) / 945.50 (1,008.27) / 1,140.44 (1,404.75) / 1,297.82 (1,683.05) / 1,305.99 (1,764.39) / 1,400.48 (1,948.74) / 1,466.65 (2,023.37)
Complex Continuing Care
Total cost, $CAD millions (% of total) / 545.3 (7.7) / 416.3 (9.9) / 196.5 (11.8) / 122.1 (12.4) / 55.9 (17.2) / 63.8 (9.3)
Mean Cost/user, $CAD (SD) / 2,701.78 (16,626.59) / 3,680.34 (19,926.47) / 4,715.74 (23,077.82) / 4,876.05 (23,523.20) / 7,573.16 (30,265.81) / 3,695.45 (19,768.51)
Inpatient Rehabilitation
Total cost, $CAD millions (% of total) / 314.7 (4.4) / 182.7 (4.3) / 70.8 (4.3) / 44.2 (4.5) / 12.7 (3.9) / 28.4 (4.1)
Mean Cost/user, $CAD (SD) / 1,558.96 (7,546.75) / 1,615.23 (7,921.90) / 1,698.49 (8,229.61) / 1,766.31 (8,327.94) / 1,718.87 (8,536.77) / 1,644.33 (8,121.86)
Home Care
Total cost, $CAD millions (% of total) / 732.3 (10.3) / 465.5 (11.1) / 184.7 (11.1) / 116.1 (11.8) / 38.8 (11.9) / 63.7 (9.2)
Mean Cost/user, $CAD (SD) / 3,628.01 (7,758.20) / 4,115.80 (8,129.77) / 4,432.41 (8,490.18) / 4,635.09 (8,585.49) / 5,258.87 (9,661.53) / 3,689.63 (7,543.94)
Same Day Surgery
Total cost, $CAD millions (% of total) / 127.7 (1.8) / 66.5 (1.6) / 21.6 (1.3) / 13.4 (1.4) / 2.8 (0.9) / 9.0 (1.3)
Mean Cost/user, $CAD (SD) / 632.58
(1,442.42) / 587.80
(1,383.61) / 517.86
(1,311.86) / 536.76
(1,354.38) / 386.09
(1,250.55) / 521.38
(1,296.52)
Dialysis and Oncology Care
Total cost, $CAD millions (% of total) / 951.9 (13.4) / 452.0 (10.7) / 133.5 (8.0) / 78.7 (8.0) / 21.2 (6.5) / 51.0 (7.4)
Mean Cost/user, $CAD (SD) / 4,716.12 (12,724.94) / 3,996.32 (11,903.68) / 3,204.35 (11,135.26) / 3,141.08 (11,097.74) / 2,874.29 (11,212.06) / 2,955.55 (10,476.43)

Table S1. Total cost and mean cost per user in each medical service category by mental illness and addiction diagnostic group.