Table 1 Patient characteristics for the study to assess the prediction of hospital length of stay (LOS) using unstructured data at the emergency department (ED)
From: The prediction of hospital length of stay using unstructured data
Characteristic | Total |
|---|---|
n | 5,006 |
Age—mean ± SD | 64.3 ± 26.3 |
Age category—n (%) |  |
  < 18 | 494 (9.9) |
 Age ≥ 18 | 4512 (90.1) |
Gender—n (%) |  |
 Male | 2,333 (46.6) |
 Female | 2,673 (53.4) |
Emergency LOS (hours)—Median (Q1–Q3) | 7.2 (4.8–9.6) |
Total (ED + hospital) LOS (days)—Median (Q1–Q3) | 6.1 (3.7–11.0) |
Intensive care patients—n (%) | 378 (7.6) |
Most frequent diagnoses—n (%) |  |
 Pneumonia (J189) | 212 (4.2) |
 Altered general health (R53 + 0) | 188 (3.8) |
 Shortness of breath (R060) | 174 (3.5) |
 Abdominal pain (R104) | 122 (2.4) |
 Femoral bone fracture (S7200) | 121 (2.4) |
Most frequent concepts—n (%) |  |
 Pain | 4,921 (98.3) |
 Blood pressure | 4,568 (91.3) |
 Capillary | 3,521 (70.3) |
 Abdomen | 2,155 (43.0) |
 Face | 2,046 (40.9) |
Type of hospital stay, n (%) | Â |
 Pulmonology | 871 (17.4) |
 Digestive system | 761 (15.2) |
 Cardiovascular medicine (except cardiovascular catheterization) | 503 (10.0) |
 Trauma and orthopaedics | 467 (9.3) |
 Diseases of the nervous system (including stroke) | 465 (9.3) |
 Urology, nephrology | 332 (6.6) |
 Rheumatology | 313 (6.3) |
 Endocrinology | 195 (3.9) |
 Hematology | 193 (3.9) |
 Diagnostic or therapeutic catheterization | 161 (3.2) |
 Dermatology | 134 (2.7) |
 ENT, stomatology | 128 (2.6) |
 Toxicology, alcohol-related disease | 122 (2.4) |
 Psychiatry | 107 (2.1) |
 Multidisciplinary stays and known disease follow-up | 89 (1.8) |
 Obstetrics | 51 (1.0) |
 Infectiology | 44 (0.9) |
 Gynecology | 38 (0.8) |
 Other (chronic pain, ophtalmology, complex trauma, burn injury) | 32 (0.6) |