TABLE 1.
Patient Demographics and Characteristics of Acute Intoxications
| Variable | Toxic Intoxication Count, n (%) |
|---|---|
| No. of patients | 12,021 |
| No. of casesa | 12,432 |
| Female | 6,914(55.6) |
| Age at admission (yr), median (IQR) | 13.8 (2.7–16.0) |
| Age distribution (yr) | |
| <2 | 2,186(17.6) |
| 2–5 | 2,346(18.9) |
| 6–12 | 1,126 (9.1) |
| 13–18 | 6,774 (54.5) |
| Weight (kg), median (IQR) | 50.0(14.3–65.0) |
| Race | |
| White | 6,387 (58.9) |
| Black | 2,031 (18.7) |
| Hispanic | 1,131 (10.4) |
| Other/mixed | 847 (7.8) |
| Unspecified | 449 (4.1) |
| Location of referral for admission | |
| Emergency department (other location) | 6,411 (51.6) |
| Emergency department (same location) | 4,997 (40.2) |
| General ward | 438 (3.5) |
| Other | 586 (4.7) |
| Length of stay (d), median (IQR) | 0.97(0.67–1.60) |
| Intentional/accidental intoxication | 9,644 (77.6%)/2,788 (22.4%) |
| Pediatric Index of Mortality 2 score, median (IQR), range | −4.65 (−4.79 to −4.34), −6.81 to−4.14 |
| Predicted mortality, median (IQR), range | 0.95% (0.82–1.29%), 0.1–1.57% |
| Pediatric Risk of Mortality Score IIIb, median (IQR), range (n = 11,392) | 0 (0–3), 0–46 |
| Mortality | 76(0.61) |
| Multiple agent intoxication | 2,276(18.3) |
| Primary International Classification of Diseases, 9th Edition/drug classificationc,d | |
| Unknown | 2,680 (21.6) |
| Antidepressants | 1,424(11.5) |
| Other chemicals | 1,329(10.7) |
| Analgesics | 912(7.3) |
| Antihypertensives | 773 (6.2) |
| Opiates/opioids | 635 (5.1) |
| Alcohols | 560 (4.5) |
| Nonsteroidal antiinflammatory drugs | 495 (4.0) |
| Antihistamines/antiemetics | 406 (3.3) |
| Benzodiazepines/barbiturates | 406 (3.3) |
| Stimulants | 281 (2.3) |
| Antiepileptic drugs | 275 (2.2) |
| Noningestions | 271 (2.2) |
| Recreational drugs | 257 (2.1) |
| Other pharmaceuticals | 237(1.9) |
| Alkalis/caustics | 209(1.7) |
| Cardiac medications | 185(1.5) |
| Insulin | 169(1.4) |
| Maternal effects on fetus/newborn | 156(1.3) |
| Muscle relaxants | 150(1.2) |
| Sedatives | 148(1.2) |
| Parasympatholytics | 124(1.0) |
| Cough/cold medications | 102 (0.8) |
| Carbon monoxide | 66 (0.5) |
| Anti-infectives | 61 (0.5) |
| Central nervous system depressants | 53 (0.4) |
| Metals | 45 (0.4) |
| Hormones | 12(0.1) |
| Food/plants | 11 (0.1) |
IQR = interquartile range.
a
More cases than total patients due to readmissions.
b
Missing data.
c
Defined in Supplementary Table 1.
d
If no primary code was indicated, then the first occurrence of case in dataset was used.