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 |