Submitted:
26 June 2026
Posted:
29 June 2026
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Abstract
Keywords:
Background
Methods
Results
Discussion
Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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| Unhoused | Housed | |||
| Age Range | Men, n (%) | Women, n (%) | Men, n (%) | Women, n (%) |
| 0-18 | 9 (0.47%) | 4 (1.17%) | 7477 (8.80%) | 3910 (10.31%) |
| 19-25 | 138 (7.19%) | 37 (10.79%) | 10095 (11.88%) | 3546 (9.35%) |
| 26-35 | 416 (21.68%) | 103 (30.03%) | 16231 (19.09%) | 4985 (13.14%) |
| 36-45 | 483 (25.17%) | 108 (31.49%) | 13577 (15.97%) | 3700 (9.75%) |
| 46-55 | 395 (20.58%) | 39 (11.37%) | 11144 (13.11%) | 3141 (8.28%) |
| 56-65 | 378 (19.70%) | 40 (11.66%) | 11295 (13.29%) | 4057 (10.70%) |
| 65+ | 100 (5.21%) | 12 (3.50%) | 15186 (17.86%) | 14592 (38.47%) |
| Unhoused | Housed | |||
| Men | Women | Men | Women | |
| Length of Stay | ||||
| Average | 10.07552 | 8.803661 | 6.758513 | 5.82089 |
| Median | 4 | 5 | 3 | 4 |
| St Dev | 18.24312 | 11.67325 | 10.91024 | 7.978379 |
| Count | 3019 | 601 | 150037 | 97281 |
| Proportion | ||||
| ICU Admission | ||||
| Average | 7.012774 | 7 | 6.587812 | 5.121019 |
| Median | 4 | 4 | 4 | 3 |
| St Dev | 11.15371 | 8.048649 | 8.27481 | 6.248527 |
| Count | 1096 | 188 | 51280 | 26252 |
| Proportion | 19.6 | 26.9 | ||
| Unhoused | Housed | |||
| Fracture | Men | Women | Men | Women |
| Fracture of nasal bones, initial encounter for closed fracture | 1662 (86) | 291 (84) | 70290 (81) | 32921 (81) |
| Fracture of tooth (traumatic), initial encounter for closed fracture | 266 (14) | 56 (16) | 15989 (19) | 7517 (19) |
| Fracture of orbital floor, initial encounter for closed fracture | N/A | N/A | 40 (.05) | 20 (.05) |
| Dislocation of jaw, initial encounter | N/A | N/A | N/A | 1 |
| Surgical Management | |||
| Surgical (n%) | Non-surgical (n%) | P-value | |
| unhoused | 8 (0.4) | 2012 (99.6) | 0.083 |
| Homed | 854 (0.8) | 112033 (99.2) | |
| Unhoused | Housed | |||||
| Etiology | Total, n (%) | Men, n (%) | Women, n (%) | Total, n (%) | Men, n (%) | Women, n (%) |
| Assault by unarmed brawl or fight, initial encounter | 547 (24) | 469 (24) | 77 (22) | 13923 (11) | 11277 (13) | 0 |
| Pedestrian on foot injured in collision with car, pick-up truck or van in traffic accident, initial encounter | 476 (21) | 368 (19) | 105 (30) | 8370 (7) | 5188 (10) | 0 |
| Assault by blunt object, initial encounter | 394 (17) | 352 (18) | 40 (11) | 5712 (4) | 4534 (5) | 0 |
| Fall on same level from slipping, tripping and stumbling without subsequent striking against object, initial encounter | 198 (9) | 168 (9) | 30 (9) | 30629 (24) | 11809 (14) | 18446 (46) |
| Assault by unspecified means | 147 (6) | 133 (7) | 14 (4) | 0 | 0 | 0 |
| Assault by other bodily force, initial encounter | 131 (6) | 99 (5) | 32 (9) | 3440 (3) | 0 | 0 |
| Unspecified fall, initial encounter | 122 (5) | 108 (6) | 14 (4) | 10612 (8) | 4887 (6) | 5558 (14) |
| Pedal cycle driver injured in collision with car, pick-up truck or van in traffic accident, initial encounter | 114 (5) | 99 (5) | 14 (4) | 0 | 0 | 0 |
| Other fall on same level, initial encounter | 86 (4) | 73 (4) | 0 | 10598 (8) | 5058 (6) | 5407 (13) |
| Assault by strike against or bumped into by another person, initial encounter | 78 (3) | 66 (3) | 0 | 0 | 0 | 0 |
| Fall on same level, unspecified, initial encounter | 58 (3) | 0 | 0 | 7737 (6) | 0 | 4134 (10) |
| Exposure to other specified factors, initial encounter | 55 (2) | 0 | 0 | 0 | 0 | 0 |
| Car driver injured in collision with fixed or stationary object in traffic accident, initial encounter | 52 (2) | 0 | 13 (4) | 9185 (7) | 6134 (7) | 2956 (7) |
| Assault by unspecified sharp object, initial encounter | 47 (2) | 0 | 0 | 0 | 0 | 0 |
| Assault by knife, initial encounter | 46 (2) | 0 | 0 | 0 | 0 | 0 |
| Other specified events, undetermined intent, initial encounter | 44 (2) | 0 | 0 | 0 | 0 | 0 |
| Motorcycle driver injured in collision with car, pick-up truck or van in traffic accident | 42 (2) | 0 | 0 | 4892 (4) | 4524 (5) | 0 |
| Car driver injured in collision with other type car in traffic accident, initial encounter | 40 (2) | 0 | 0 | 9340 (7) | 5662 (7) | 3570 (9) |
| Pedestrian on foot injured in collision with car, pick-up truck or van in nontraffic accident, initial encounter | 36 (2) | 0 | 0 | 0 | 0 | 0 |
| Other fall from one level to another, initial encounter | 36 (2) | 0 | 0 | 0 | 0 | 0 |
| Fall (on) (from) other stairs and steps, initial encounter | 0 | 0 | 0 | 8558 (7) | 3869 (4) | 4641 (11) |
| Fall on same level from slipping, tripping and stumbling with subsequent striking against other object, initial encounter | 0 | 0 | 0 | 7885 (6) | 0 | 4564 (11) |
| Car passenger injured in collision with other type car in traffic accident, initial encounter | 0 | 0 | 0 | 5116 (4) | 0 | 2808 (7) |
| Fall from bed, initial encounter | 0 | 0 | 0 | 4845 (4) | 0 | 2904 (7) |
| Car driver injured in noncollision transport accident in traffic accident, initial encounter | 0 | 0 | 0 | 4786 (4) | 0 | 0 |
| Motorcycle driver injured in noncollision transport accident in traffic accident | 0 | 0 | 0 | 2901 (2) | 0 | 0 |
| Car passenger injured in collision with fixed or stationary object in traffic accident, initial encounter | 0 | 0 | 0 | 2699 (2) | 0 | 0 |
| Fall on same level from slipping, tripping and stumbling with subsequent striking against unspecified object, initial encounter | 0 | 0 | 0 | 2670 (2) | 0 | 0 |
| Assault by other bodily force, initial encounter | n/a | 99 (5) | 0 | 0 | 0 | 0 |
| Adult physical abuse, confirmed, initial encounter | n/a | 0 | 15 (4) | 0 | 0 | 0 |
| Unhoused | Housed | |||||
| Hospital Event | Men, n (%) | Women, n (%) | Unknown, n (%) | Men, n (%) | Women, n (%) | Unknown, n (%) |
| Acute Kidney Injury | 119 (6.17) | 9 (2.59) | 1 (16.67) | 7081 (8.20) | 2972 (7.35) | 54 (8.19) |
| Acute Respiratory Distress Syndrome | 44 (2.28) | 5 (1.44) | 0 (0) | 3060 (3.54) | 937 (2.32) | 18 (2.73) |
| Cardiac Arrest with CPR | 170 (8.82) | 26 (7.49) | 2 (33.34) | 12753 (14.77) | 5106 (12.62) | 102 (15.47) |
| Deep Surgical Site Infection | 30 (1.56) | 5 (1.44) | 0 (0) | 1424 (1.65) | 469 (1.16) | 11 (1.67) |
| Deep Vein Thrombosis | 136 (7.05) | 27 (7.78) | 1 (16.67) | 8340 (9.66) | 3393 (8.39) | 110 (16.7) |
| Myocardial Infarction | 7 (0.36) | 3 (0.89) | 0 (0) | 1456 (1.69) | 1030 (2.55) | 6 (0.91) |
| Organ/Space SSI | 22 (1.14) | 8 (2.31) | 0 (0) | 708 (0.82) | 304 (0.75) | 5 (0.76) |
| Pulmonary Embolism | 68 (3.53) | 9 (2.59) | 1 (16.67) | 4278 (4.96) | 2128 (5.26) | 42 (6.37) |
| Stroke/CVA | 32 (1.66) | 9 (2.59) | 2 (33.34) | 3186 (3.69) | 2440 (6.03) | 29 (4.4) |
| Unplanned Intubation | 213 (11.05) | 29 (8.36) | 0 (0) | 15103 (17.50) | 6457 (15.96) | 110 (16.7) |
| Osteomyelitis | 6 (0.31) | 2 (0.58) | 0 (0) | 348 (0.40) | 89 (0.22) | 3 (0.45) |
| Unplanned Admission to ICU | 344 (17.84) | 70 (20.17) | 1 (16.67) | 22644 (26.23) | 14215 (35.13) | 198 (30.04) |
| Severe Sepsis | 73 (3.79) | 12 (3.46) | 0 (0) | 4008 (4.64) | 1747 (4.32) | 21 (3.2) |
| Catheter-Associated Urinary Tract Infection | 17 (0.88) | 6 (1.73) | 0 (0) | 1175 (1.36) | 1129 (2.79) | 19 (2.9) |
| Central Line-Associated Bloodstream Infection | 3 (0.16) | 1 (0.29) | 0 (0) | 391 (0.45) | 126 (0.31) | 1 (0.15) |
| Ventilator-Associated Pneumonia | 96 (4.98) | 16 (4.61) | 1 (16.67) | 5970 (6.92) | 1409 (3.48) | 31 (4.7) |
| Alcohol Withdrawal Syndrome | 485 (25.16) | 49 (14.12) | 2 (33.34) | 11134 (12.90) | 2636 (6.52) | 57 (8.65) |
| Pressure Ulcer | 113 (5.86) | 20 (5.76) | 2 (33.34) | 6545 (7.58) | 3142 (7.77) | 70 (10.6) |
| Superficial Incisional SSI | 30 (1.56) | 12 (3.46) | 0 (0) | 1175 (1.36) | 483 (1.19) | 7 (1.06) |
| Delirium | 224 (11.62) | 52 (14.99) | 0 (0) | 17958 (20.80) | 13088 (32.35) | 117 (17.8) |
| Unplanned Visit to OR | 222 (11.51) | 38 (10.95) | 1 (16.67) | 12114 (14.03) | 4574 (11.31) | 53 (8.04) |
| 15 | 8 (0.41) | 2 (0.58) | 0 (0) | 708 (0.82) | 135 (0.33) | 5 (0.76) |
| Unhoused | Housed | |||||||
| Discharges | Men, n (%) | N/A, n (%) | Women, n (%) | Total | Men, n (%) | N/A, n (%) | Women, n (%) | Total |
| Discharged/Transferred to a short-term general hospital for inpatient care | 10 (0.8) | N/A | 3 (0.2) | 13 | 961 (74) | 3 (0.2) | 374 (29) | 1338 |
| Discharged/Transferred to an Intermediate Care Facility (ICF) | 3 (0.2) | N/A | N/A | 3 | 126 (10) | N/A | 65 (5) | 191 |
| Discharged/Transferred to home under care of organized home health service | 46 (4) | 1 (0.1) | 10 (0.8) | 57 | 5112 (394) | 29 (2) | 4071 (314) | 9212 |
| Left against medical advice or discontinued care | 200 (15) | 1 (0.1) | 34 (3) | 235 | 2353 (181) | 14 (1) | 543 (42) | 2910 |
| Deceased/Expired | 74 (6) | N/A | 5 (0.4) | 79 | 3621 (279) | 52 (4) | 1185 (91) | 4858 |
| Discharged to home or self-care (routine discharge) | 932 (72) | 3 (0.2) | 189 (15) | 1124 | 44282 (3412) | 332 (26) | 18313 (1411) | 62927 |
| Discharged/Transferred to Skilled Nursing Facility (SNF) | 153 (12) | N/A | 26 (2) | 179 | 4116 (317) | 49 (4) | 4379 (337) | 8544 |
| Discharged/Transferred to hospice care | 9 (1) | N/A | 1 (0.1) | 10 | 564 (43) | 2 (0.2) | 462 (36) | 1028 |
| Discharged/Transferred to court/law enforcement | 34 (3) | N/A | 2 (0.2) | 36 | 1263 (97) | 9 (0.7) | 95 (7) | 1367 |
| Discharged/Transferred to inpatient rehab or designated unit | 81 (6) | N/A | 15 (1) | 96 | 6735 (519) | 48 (4) | 3574 (275) | 10357 |
| Discharged/Transferred to Long Term Care Hospital (LTCH) | 21 (2) | 1 (0.1) | 5 (0.4) | 27 | 1040 (80) | 12 (0.9) | 329 (25) | 1381 |
| Discharged/Transferred to a psychiatric hospital or psychiatric distinct part unit of a hospital | 31 (2) | N/A | 9 (0.7) | 40 | 556 (43) | 5 (0.4) | 157 (12) | 718 |
| Discharged/Transferred to another type of institution not defined elsewhere | 56 (4) | N/A | 8 (0.6) | 64 | 293 (23) | 1 (0.1) | 109 (8) | 403 |
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