Skip to main content

Table 5 Results based on first set preliminary diagnosis at the ED

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

  First emergency diagnosis set as gallbladder concrement and/or cholecystitis (n = 61) Appendicitis ± abscess as first emergency diagnosis (n = 55) NSAP as first emergency diagnosis (n = 370)
US (n = 27) [% (n)] Non-US n = 34 [% (n)] P value US (n = 31) [% (n)] Non-US n = 24 [% (n)] P value US (n = 189) [% (n)] Non-US (n = 181) [% (n)] P value
Diagnostic accuracy 70 (19) 62 (21) 0.482 64 (20) 54 (13) 0.434 62 (118) 55 (99) 0.306
Admission 52 (14) 62 (21) 0.437 97 (30) 100 (24) 0.375 31 (59) 45 (81) 0.007
Ultrasound ordered 26 (7) 82 (27) <0.001 6 (2) 21 (5) 0.112 5 (10) 30 (55) 0.001
CT ordered 0 (0) 0 (0) 13 (4) 8 (2) 0.590 10 (19) 10 (19) 0.902
No other examination ordered 63 (17) 18 (6) <0.001 71 (22) 46 (11) 0.059 48 (91) 32 (57) 0.001
  1. Partially missing data in maximum three patients per group and analysis