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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