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Table 1 Demographics

From: Appendiceal adenocarcinoma found by surgery for acute appendicitis is associated with older age

  Appendiceal adenocarcinoma (n = 6) Composite non-adenocarcinomaa (n = 21) p-value
Age—years [IQR] 65.0 [52.8–75.3] 47.0 [25.5–54.5] 0.004
Female sex—no. (%) 5 (83) 14 (67) 0.633
Previous colonoscopy—no. (%) 2 (33) 5 (24) 0.633
Imaging size, median—cm [IQR] 1.4 [1.3–3.0] 1.2 [1.1–1.8] 0.263
Emergency department presentation—no. (%) 6 (100) 18 (86) 0.810
Operative intervention—no. (%)    0.552
 Open 4 (67) 9 (43)  
 Laparoscopic 2 (33) 11 (52)  
 Converted 0 1 (5)  
Complicated—no. (%)b 3 (50) 8 (38) 0.662
  1. IQR interquartile range
  2. aPatients with appendectomy specimen pathology consistent with low-grade appendiceal mucinous neoplasm or neuroendocrine tumors
  3. bComplicated cases included radiologic evidence of perforation (n = 7), small bowel obstruction (n = 3), and malignant ascites (n = 1)