Surgical Laparoscopy Endoscopy & Percutaneous Techniques · 2012 · 51 citations · 18 references
Laparoscopy showed good to excellent accuracy for diagnosis and grading of acute appendicitis. The better grading system allowed the evaluation of patients with acute appendicitis in the same clinical stage.
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The Measurement of Observer Agreement for Categorical Data
J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 76.3K citations · Full text
Laparoscopic Versus Open Appendectomy for Complicated Appendicitis
Kwok Kay Yau, Wing Tai Siu, Chun Ngai Tang et al. · Journal of the American College of Surgeons · 2007 · 219 citations