Table 2.
Utilization Characteristics of 402 Adolescent and Young Adult Patients Who Were Treated in the Emergency Department or Admitted for Inpatient Hospital Care
| Variable | Emergency Department Visits (n = 1151) |
Inpatient Admissions (n = 227) |
|---|---|---|
| n (%) | n (%) | |
| Season of admission | ||
| Spring | 291 (25.28) | 62 (27.31) |
| Summer | 262 (22.76) | 43 (18.94) |
| Fall | 308 (26.76) | 50 (22.03) |
| Winter | 290 (25.20) | 72 (31.72) |
| Time of admission | ||
| Nighttime | 409 (35.53) | 84 (37.00) |
| Daytime | 742 (64.47) | 143 (63.00) |
| Disposition | ||
| Self-careb | 978 (84.97) | 183 (80.62) |
| Transfer to other healthcare facilityc | 5 (0.43) | 4 (1.76) |
| Substance use or psychiatric facility | 2 (0.17) | 9 (3.96) |
| Other facility or institutiond | 56 (4.87) | 3 (1.32) |
| Jail or law enforcement | 38 (3.30) | 8 (3.52) |
| Left without being seen | 10 (0.87) | 0 (0.0) |
| Against medical advice | 13 (1.13) | 17 (7.49) |
| Deceased | 0 (0.0) | 2 (0.88) |
| Not specified | 49 (4.26) | 1 (0.44) |
| Diagnostic classification | ||
| Injury | 346 (30.06) | 79 (34.80) |
| Psychiatric illness, including SI | 268 (23.28) | 127 (55.95) |
| Substance usee | ||
| Alcohol | 92 (7.99) | 49 (21.59) |
| Drug | 245 (21.29) | 124 (54.63) |
| Tobacco | 59 (5.13) | 72 (31.72) |
| Acute medical condition | 545 (47.35) | 156 (68.72) |
| Chronic medical condition or aftercare | 660 (57.34) | 194 (85.46) |
| Pregnancy-related diagnosis | 36 (6.44) | 30 (26.09) |
| Blood alcohol | ||
| Positive | 62 (5.39) | 14 (6.17) |
| Negative | 130 (11.29) | 59 (25.99) |
| Not assessed | 959 (83.32) | 154 (67.84) |
| Cause of injuryf | ||
| No injury | 792 (68.81) | 146 (64.32) |
| Unintentional | 188 (52.37) | 36 (44.44) |
| Self-directedg | 31 (8.64) | 16 (19.75) |
| Assault | 88 (24.51) | 16 (19.75) |
| Other/undetermined | 12 (3.34) | 10 (12.35) |
| Diagnostic classifications at visit | ||
| 1 | 440 (38.23) | 16 (7.05) |
| 2 | 481 (41.79) | 47 (20.70) |
| 3 | 178 (15.46) | 77 (33.92) |
| ≥ 4 | 52 (4.52) | 87 (38.33) |
SI = suicidal ideation, ICD-9 = International Classification of Diseases, Ninth Revision
Note. Percentages may not sum to 100 due to rounding and/or missing data.
Includes home/self-care, home healthcare, and shelters.
Includes crisis respite center, skilled nursing facility, cancer center or other hospital, and hospice.
Includes adult family home and unspecified institutions.
Poisoning was classified as substance use, with alcohol or drug specified, as appropriate.
Includes ED visits and inpatient admissions with injury and poisoning-related diagnoses (n = 359 and n = 81, respectively); ICD-9 E-codes were missing in some instances, so categories will not sum to 100.
Includes self-injurious behavior, suicide attempt, and completed suicide.