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Table 2 Multivariable explanatory model for potentially avoidable transfer (PAT)

From: Potentially avoidable Inter-Facility transfer from Veterans Health Administration emergency departments: A cohort study

VariableOdds Ratio (95%CI)p
Rural Residence0.798 (0.715–0.890)< 0.001
Arrival during Nights (5p-8a) or Weekend1.252 (1.144–1.370)< 0.001
Diagnosis Group (CCS) < 0.001
 Mental Illness (5)0.238 (0.202–0.282) 
 Circulatory (7)0.518 (0.437–0.615) 
 Digestive (9)0.563 (0.464–0.683) 
 Signs and Symptoms (17)1.000 (ref) 
 Respiratory (8)0.568 (0.456–0.708) 
 Injury and Poisoning (16)1.374 (1.123–1.680) 
 Genitourinary (10)0.789 (0.619–1.004) 
 Musculoskeletal (13)1.571 (1.252–1.972) 
 Nervous System (6)1.617 (1.288–2.030) 
 Skin (12)0.870 (0.667–1.136) 
 Endocrine/Metabolic (3)0.535 (0.380–0.752) 
 Neoplasms (2)0.470 (0.321–0.690) 
 Blood (4)0.511 (0.327–0.798) 
 Infectious/Parasitic Diseases (1)0.380 (0.209–0.693) 
VISN < 0.001
 10.480 (0.276–0.834) 
 21.280 (0.863–2.206) 
 31.133 (0.712–1.804) 
 40.534 (0.333–0.857) 
 50.515 (0.319–0.832) 
 60.706 (0.450–1.109) 
 70.516 (0.320–0.834) 
 80.839 (0.544–1.293) 
 90.787 (0.505–1.227) 
 101.791 (0.967–3.316) 
 110.568 (0.349–0.923) 
 120.613 (0.375–1.001) 
 150.896 (0.553–1.454) 
 160.492 (0.291–0.830) 
 170.380 (0.236–0.611) 
 180.788 (0.471–1.320) 
 190.412 (0.215–0.790) 
 200.459 (0.266–0.793) 
 210.957 (0.565–1.622) 
 221.673 (1.011–2.770) 
 231.000 (ref) 
More than 50% Board-Certified Emergency Physicians1.266 (1.103–1.452)< 0.001
  1. Abbreviations: CCS Clinical Classification Software, VISN Veterans Integrated Service Network