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Table 1 Baseline characteristics of patients with abdominal pain at the Emergency Department enrolled in this study

From: Randomized clinical trial of bedside ultrasound among patients with abdominal pain in the emergency department: impact on patient satisfaction and health care consumption

Characteristics Ultrasound
(n = 392)
Not ultrasound
(n = 391)
  mean (SD) n
(%)
mean (SD) n
(%)
Age 47 (20)   48 (19)  
Gender     
   Male   160 (40.8)   171 (43.7)
   Female   232 (59.2)   220 (56.3)
Height 172 (9)   172 (10)  
Weight 73 (16)   73 (16)  
BMI (Body Mass Index) 24,8 (4.5)   24.8 (4.3)  
Abdominal-related comorbidity   76 (19.4)   78 (19.9)
Comorbidity related to heart or diabetes   66 (16.8)   74 (18.9)
History of abdominal malignancy   6 (1.5)   12 (3.1)
History of other malignancy   11 (2.8)   14 (3.6)
Other comorbidity   132 (33.7)   123 (31.5)
Admission for abdominal pain within one year   124 (32.0)   137 (35.3)
Referral for admission   92 (24.4)   126 (32.9)
Duration of pain     
   0-8 hours   44 (14.8)   43 (14.4)
   8-24 hours   99 (33.2)   97 (32.4)
   >24 hours   147 (49.3)   151 (50.5)
   Cannot answer   8 (2.7)   8 (2.7)
Actual VAS (of pain) 4.3 (2.8)   4,4 (2.6)  
Maximal recall VAS (of pain) 7.6 (2.6)   7,6 (1.8)  
Temperature 37.0 (0.8)   37.0(0.7)  
Affected general condition   90 (23.3)   74 (19.1)
Tenderness   338 (86.4)   347 (89.2)
Rigidity   51 (13.1)   49 (12.6)
Palpable mass   23 (5.9)   29 (7.5)
  1. VAS (of pain) = Visual Analogue Scale (scale 0-10. 0 represents no pain at all, 10 represents unbearable pain)