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Table 6 Main diagnoses and differences of the two groups of patients

From: Primary care referrals of patients with potentially serious diseases to the emergency department or a quick diagnosis unit: a cross-sectional retrospective study

Diagnosis PHC-QDU patients n = 1186 PHC-ED-QDU patients n = 1004 Pvalue
Malignant neoplasm 356 (30) 174 (17.3) .003
Colorectal 91 (7.7) 7 (0.7) NS
Lymphoma 83 (7) 32 (3.2) NS
Gastric 23 (1.9) 26 (2.6) NS
Lung 48 (4) 25 (2.5) NS
Pancreatic 53 (4.5) 51 (5.1) NS
Other hematological* 15 (1.3) 11 (1.1) NS
Breast 14 (1.2) 10 (1) NS
Other neoplasms 29 (2.4) 12 (1.2) NS
Iron-deficiency anemia 158 (13.3) 254 (25.3) .002
Digestive 120 (75.9) 194 (76.2) NS
Unknown cause 18 (11.4) 31 (12.2) NS
Heavy menstrual bleeding 12 (7.6) 19 (7.5) NS
Other causes 8 (5.1) 10 (4.1) NS
Multifactorial anemia 17 (1.4) 6 (0.6) NS
Megaloblastic anemia 14 (1.2) 6 (0.6) NS
Other types of anemia 6 (0.5) 2 (0.2) NS
Chronic liver disease 40 (3.4) 7 (0.7) NS
Irritable bowel syndrome 56 (4.7) 15 (1.5) NS
Inflammatory bowel disease 15 (1.3) 6 (0.6) NS
Benign gastroduodenal disorder 27 (2.3) 98 (9.8) NS
Benign colonic disorder 12 (1) 125 (12.5) .004
Esophagitis 18 (1.5) 21 (2.1) NS
Gallbladder disease 19 (1.6) 6 (0.6) NS
Acute viral illness 15 (1.3) 136 (13.5) .005
Depressive disorder 84 (7.1) 10 (1) NS
Reactive adenitis 86 (7.3) 4 (0.4) NS
Autoimmune rheumatic disease 40 (3.4) 7 (0.7) NS
Non-malignant lung and/or pleural disease 46 (3.9) 8 (0.8) NS
Subtotal 1009 (85.1) 885 (88.1)  
Other diagnoses and undiagnosed cases 177 (14.9) 119 (11.9)  
Total 1186 (100) 1004 (100)  
  1. Data expressed as number (percentage).
  2. *Leukemia, myelodysplastic syndrome and multiple myeloma.
  3. PHC denotes primary care; QDU, quick diagnosis unit; ED, emergency department; NS, nonsignificant.