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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

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

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