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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)