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Table 6 Results based on symptoms and signs

From: Patient factors influencing the effect of surgeon-performed ultrasound on the acute abdomen

  Pain and tenderness in right upper abdomen (n = 101) Pain and tenderness in right lower abdomen (n = 187) Peritonitis (n = 100)a
US n = 54 [% (n)] Non-US (n = 47) [% (n)] P value US n = 91 [% (n)] Non-US (n = 96) [% (n)] P value US (n = 51) [% (n)] Non-US (n = 49) [% (n)] P value
Diagnostic accuracy 72 (38) 52 (24) 0.045 59 (53) 54 (51) 0.476 74 (37) 54 (26) 0.041
Admission 50 (27) 49 (23) 0.915 62 (56) 58 (56) 0.655 90 (46) 84 (41) 0.332
Ultrasound ordered 22 (12) 74 (34) <0.001 3 (3) 22 (21) <0.001 10 (5) 29 (14) 0.017
CT ordered 9 (5) 6 (3) 0.615 8 (9) 9 (8) 0.911 16 (8) 24 (12) 0.271
No other examination ordered 54 (29) 17 (8) <0.001 50 (45) 45 (43) 0.523 53 (27) 22 (11) 0.002
  1. Partially missing data in maximum one patient per group and analysis
  2. aOf these patients, 23 in US group and 26 in non-US group were admitted for surgery. 14 (60.9%) in US group were admitted already at ED and 5 (19.2%) in non-US group, P = 0.003