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Table 2 Emergency department visits characteristics for presenting complaint at triage registration

From: Diagnostic anticipation to reduce emergency department length of stay: a retrospective cohort study in Ferrara University hospital, Italy

Visits characteristics NON-DA DA p-value†
Chest pain, n 530 668  
 LOS (min), mean (SD) 345 [157] 327 [123] 0.024
 Age (years), mean (SD) 60.0 [18.2] 57.5 [19.6] 0.024
 Sex (male), % 51.1 48.1 0.29
 NEDOCS (score), mean (SD) 127 [59] 157 [67] < 0.001
 Number of imaging tests, mean (SD) 1.9 [0.9] 1.9 [1.0] 0.60
 Blood tests (at least 1), % 97.4 100.0 < 0.001
 Number of specialist consultations, mean (SD) 0.15 [0.02] 0.14 [0.01] 0.56
 Priority color code (yellow), % 84.2 82.8 0.53
 Physicians decision (hospitalization), % 18.3 14.1 0.047
Abdominal Pain, n 846 700  
 LOS (min), mean (SD) 341 [167] 356 [149] 0.053
 Age (years), mean (SD) 57.0 [22.3] 56.8 [22.2] 0.88
 Sex (male), % 42.3 40.4 0.47
 NEDOCS (score), mean (SD) 127 [58] 145 [61] < 0.001
 Number of imaging tests, mean (SD) 1.8 [1.0] 1.9 [0.9] 0.46
 Blood tests (at least 1), % 92.6 100.0 < 0.001
 Number of specialist consultations, mean (SD) 0.29 [0.02] 0.29 [0.02] 0.75
 Priority color code (yellow), % 51.5 56.3 0.06
 Physicians decision (hospitalization), % 28.6 27.3 0.57
Non-traumatic bleeding, n 301 179  
 LOS (min), mean (SD) 304 [147] 337 [166] 0.023
 Age (years), mean (SD) 67.9 [20.2] 73.4 [16.5] 0.002
 Sex (male), % 61.8 53.6 0.08
 NEDOCS (score), mean (SD) 129 [58] 143 [68] 0.016
 Number of imaging tests, mean (SD) 1.3 [0.6] 1.4 [0.7] 0.77
 Blood tests (at least 1), % 86.4 100.0 < 0.001
 Number of specialist consultations, mean (SD) 0.49 [0.03] 0.40 [0.04] 0.09
 Priority color code (yellow), % 50.4 62.6 0.004
 Physicians decision (hospitalization), % 26.6 35.8 0.034
  1. Abbreviations: DA = Diagnostic Anticipation; LOS = Length of Stay; SD = Standard Deviation; NEDOCS=National ED Overcrowding Study Score [15] at triage registration; min = minutes
  2. †calculated through Pearson’s χ2 test for categorical variables and T-Student test for continuous variables