Table 4 Results based on body mass index (BMI) and C-reactive protein (CRP)
From: Patient factors influencing the effect of surgeon-performed ultrasound on the acute abdomen
BMI < 25 (n = 436) | BMI ≥ 25 (n = 317) | CRP < 10 (n = 403) | CRP ≥ 10 (n = 367) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
US (n = 223) [% (n)] | Non-US (n = 213) [% (n)] | P value | US (n = 160) [% (n)] | Non-US (n = 157) [% (n)] | P value | US (n = 219) [% (n)] | Non-US (n = 184) [% (n)] | P value | US (n = 163) [% (n)] | Non-US (n = 204) [% (n)] | P value | |
Diagnostic accuracy | 62 (135) | 58 (119) | 0.416 | 67 (105) | 54 (85) | 0.020 | 65 (142) | 62 (112) | 0.506 | 63 (98) | 52 (103) | 0.047 |
Admission | 44 (97) | 48 (102) | 0.358 | 43 (69) | 52 (82) | 0.105 | 25 (55) | 34 (62) | 0.059 | 68 (111) | 65 (132) | 0.495 |
Ultrasound ordered | 7 (15) | 25 (53) | <0.001 | 11 (18) | 29 (45) | <0.001 | 7 (16) | 26 (48) | <0.001 | 11 (18) | 28 (57) | <0.001 |
CT ordered | 8 (18) | 7 (15) | 0.705 | 7 (11) | 14 (22) | 0.041 | 4 (8) | 4 (8) | 0.719 | 14 (22) | 14 (29) | 0.843 |
No other examination ordered | 47 (104) | 33 (70) | 0.004 | 54 (85) | 27 (42) | <0.001 | 51 (110) | 34 (62) | 0.001 | 46 (75) | 28 (57) | <0.001 |