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Table 2 Average healthcare costs for the cohort with a mental illness and the general homeless cohort

From: Factors associated with higher healthcare costs in a cohort of homeless adults with a mental illness and a general cohort of adults with a history of homelessness

Survey

Cohort with a mental illness (n = 525)

General homeless cohort (n = 655)

Cost Categories

Bottom 0–50% (n = 63)

Top 11–50% (n = 219)

Top 6–10% (n = 83)

Top 5% (n = 160)

Bottom 0–50% (n = 189)

Top 11–50% (n = 279)

Top 6–10% (n = 79)

Top 5% (n = 108)

 Total costs

Mean ± SE

$158 ± $17

$2222 ± $83

$6754 ± $153

$41,425 ± $3674

$115 ± $9

$1872 ± $68

$6743 ± $151

$30,269 ± $3699

Median (IQR)

$170 ($0–$274)

$1969 ($1154–$3214)

$6498 ($5620–$7848)

$24,265 ($13,859–$43,959)

$78 ($0–$206)

$1564 ($857–$2765)

$6575 ($5591–$7879)

$17,755 ($12,511–$31,939)

 Psychiatric inpatient costs

Mean ± SE

$0

$21 ± $12)

$240 ± $111

$21,951 ± $3082

$0

$15 ± $11

$157 ± $73)

$7012 ± $2011

Median (IQR)

$0

$0

$0

$5809 (0-$27,543)

$0

$0

$0

$0 (0-$6276)

 Non-psychiatric inpatient costs

Mean ± SE

$0

$0

$335 ± $119

$4010 ± $1262

$0

$2 ± $2

$416 ± $131

$6990 ± $2380

Median (IQR)

$0

$0

$0

$0 (0-$1007)

$0

$0

$0

$0 (0-$6365)

 Emergency department costs

Mean ± SE

$37 ± $10

$322 ± 37

$980 ± 129

$2758 ± 490

$28 ± 5

$359 ± 20

$791 ± 122

$2019 ± 228

Median (IQR)

$0

$101 ($0–$433)

$563 ($0–$509)

$1355 ($583–$2833)

$0

$166 ($0–$490)

$315 ($0–$1322)

$1332 ($505–$2660)

 Hospital outpatient costs

Mean ± SE

$15 ± $9

$355 ± 42

$1690 ± 196

$2825 ± 301

$2 ± 2

$261 ± 29

$597 ± 96

$3818 ± 1259

Median (IQR)

$0

$0 ($0–$323)

$966 ($323–$2899)

$1613 ($645–$3868)

$0

$0 ($0–$304)

$304 ($0–$666)

$1264 ($627–$2811)

 Physician service costs

Mean ± SE

$65 ± $11

$731 ± $43

$1782 ± $131

$4685 ± $346

$54 ± $6

$520 ± $27

$1227 ± $79

$3656 ± $450

Median (IQR)

$21 ($0–$113)

$546 ($284–$961)

$1517 ($959–$2299)

$3545 ($2147–$5602)

$20 ($0–$84)

$376 ($196–$722)

$1181 ($634–$1655)

$2271 ($1452–$3513)

 Prescription medication costs

Mean ± SE

$18 ± 6

$681 ± 51

$1431 ± 168

$3029 ± 479

$10 ± 2

$519 ± 44

$2522 ± 212

$5085 ± 561

Median (IQR)

$0 ($0–$12)

$464 ($103–$992)

$953 ($209–$2205)

$1388 ($500–$3306)

$0

$160 ($21–$821)

$2219 ($882–$3664)

$3502 ($400–$8382)

 Other service costs

Mean ± SE

$22 ± 6

$112 ± 15

$296 ± 51

$2167 ± 816

$20 ± 3

$195 ± 22

$1033 ± 140

$1690 ± 357

Median (IQR)

$0 ($0–$14)

$45 ($0–$147)

$96 ($1–$332)

$95 ($1–$536)

$0 ($0–$19)

$66 ($0–$183)

$290 ($127–$1610)

$218 ($39–$1773)