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Table 1 Demographic characteristics of NSAP patients readmitted to ED within 48 h of the index visit

From: The rate of short-term revisits after diagnosis of non-specific abdominal pain is similar for surgeons and emergency physicians - results from a single tertiary hospital emergency department

  Year 2015
n = 85,149
Year 2016
n = 88,481
All patients
n = 173,630
NSAP patients 6024 (7.1%) 4585 (5.2%) 10,609 (6.1%)
Readmitted within 48 h 170 (2.8%) 143 (3.1%) 313 (3.0%)
Age, median (range) 36 y (0–98 y) 28 y (4–95 y) 32 y (0–98 y)
Gender, female, n (%) 105 (62%) 94 (66%) 199 (54%)
Comorbidities, n (%) 72 (42%) 70 (49%) 142 (45%)
Cardiovascular 33 (19%) 24 (17%) 57 (18%)
Pulmonary 17 (10%) 10 (7.0%) 27 (8.6%)
Psychiatric 15 (8.8%) 13 (9.1%) 28 (8.9%)
Diabetes 8 (4.7%) 14 (9.8%) 22 (7.0%)
Neurologic 3 (1.8%) 12 (8.4%) 15 (4.7%)
Alcoholism 6 (3.5%) 4 (2.8%) 10 (3.2%)
Dementia 3 (1.8% 1 (0.7%) 4 (1.2%)
Medication, n (%) 92 (54%) 59 (41%) 151 (48%)
Anticoagulation 11 (6.5%) 13 (9.1%) 24 (7.7%)
Corticosteroids 3 (1.8%) 1 (0.7%) 4 (1.2%)
Previous abd. Surgery 46 (27%) 30 (21%) 76 (24%)
Frequent users (≥5 admissions/year) 20 (12%) 17 (12%) 37 (12%)
Specific diagnosis 60 (35%) 44 (31%) 104 (33%)
Acute cholecystitis 16 (9.4%) 3 (2.1%) 19 (6.1%)
Gynaecological 11 (6.5%) 6 (4.2%) 17 (5.4%)
Acute appendicitis 6 (3.5%) 6 (4.2%) 12 (3.8%)
Acute pancreatitis 4 (2.4%) 6 (4.2%) 10 (3.2%)
Urinary tract stone disease 3 (1.8%) 0 (0.0%) 3 (1.0%)
Diverticulitis 1 (0.6%) 2 (1.4%) 3 (1.0%)
Abdominal emergencies a 3 (1.8%) 4 (2.8%) 7 (2.2%)
Miscellaneous 16 (9.4%) 17 (12%) 33 (11%)
Non-specific diagnoses b 110 (65%) 99 (69%) 209 (67%)
  1. a Abdominal emergencies requiring immediate treatment (e.g. acute mesenteric ischaemia, bowel perforation)
  2. b Other conditions, e.g. gastroenteritis, extra-abdominal conditions (e.q. pneumonia)