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Table 1 Baseline characteristics

From: A point-of-care thoracic ultrasound protocol for hospital medical emergency teams (METUS) improves diagnostic accuracy

  Even week Uneven week P value
N = 52 N = 48
Mean (SD) N (%) Mean (SD) N (%)
Age (years) 72.2 (15.0)   69.7 (12.1)   0.354
Gender, male   28 (53.8)   27 (56.3) 0.803
BMIa (kg/m2) 26.5 (5.9)   28.2 (5.8)   0.175
Systolic BP (mmHg) 134 (36.5)   127 (42.9)   0.408
Diastolic BP (mmHg) 78 (22.0)   76 (26.2)   0.544
Heart rate (bpm) 110 (33.4)   111 (32.9)   0.870
Temperature (°C) 37.5 (1.6)   37.5 (1.2)   0.859
WBCb (× 109/L) 10.4 (5.2)   11.5 (7.6)   0.491
Plasma lactate (mmol/L) 3.1 (2.6)   3.3 (2.6)   0.731
Reason for call
 Anaphylaxis   0 (0.0)   1 (2.1) 0.296
 Gastro-intestinal bleeding   2 (3.8)   0 (0.0) 0.175
 Hypotension   16 (30.6)   18 (37.5) 0.469
 Respiratory insufficiency   34 (65.4)   27 (56.2) 0.349
 Tachycardia   0 (0.0)   2 (4.2) 0.137
Pre-existing condition
 Heart failure   14 (26.9)   5 (10.4) 0.037*
 Myocardial infarction   12 (23.1)   4 (8.3) 0.045*
 Peripheral vascular   9 (17.3)   5 (10.4) 0.323
 COPDc   14 (26.9)   13 (27.1) 0.982
 Renal insufficiency   16 (30.8)   7 (14.6) 0.056
 Dialysis   1 (1.9)   1 (2.1) 0.943
 Diabetes mellitus   8 (15.4)   8 (16.7) 0.860
 Metastatic malignancy   4 (7.8)   7 (14.6) 0.281
 Immunological insufficiency   1 (1.9)   2 (4.2) 0.503
 Gastro-intestinal bleeding   2 (3.8)   0 (0.0) 0.175
 Haematological malignancy   0 (0.0)   2 (4.2) 0.137
  1. *P < 0.05
  2. aBMI body mass index
  3. bWBC white blood cells
  4. cCOPD chronic obstructive pulmonary disease