Routine ultrasound examination by OB/GYN residents increase the accuracy of diagnosis for emergency surgery in gynecology

Table 3 Diagnoses in patients with a laparoscopy diagnosis of surgical emergency but had negative physical examination or negative transvaginal ultrasonography or negative with both examinations combined

	FN, physical examination, n (%)	FN, TVUS, n (%)	FN, physical examination combined with TVUS†, n (%)	Total number of patients with surgical emergencies, N
Ectopic pregnancy	14 (15%)	1 (1%)	0	91
Pelvic peritonitis	0	1 (4 %)	0	25
Adnexal torsion	3 (20%)	3 (20%)	1 (7%)	15
Appendicitis	0	1 (25%)	0	4
Intestinal obstruction	0	2 (100%)	0	2
Ruptured hemorrhagic cyst	1 (50%)	0	0	2
Total	18 (13%)	8 (6%)	1 (0.7%)	139

Percentages were computed by dividing the number of false negatives by the total number of surgical emergencies.
FN, False negatives; TVUS, transvaginal ultrasonography.
†Corresponds to a strategy of routine TVUS regardless of the clinical findings, abnormal findings include abnormal examination OR abnormal TVUS.

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