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Table 2 Association of demographic and clinical factors with video capsule endoscopy findings

From: Video capsule endoscopy in patients with iron deficiency anaemia: experience at a regional Australian service

Patient characteristics Total n (%) With positive findings Without positive findings
n % (95% CI) n % (95% CI)
Total 123 67 54.5 (45.3–63.5) 56 45.5 (36.5–54.8)
Age
 < 60 years 23 (18.7) 8 34.8 (16.4–57.3) 15 65.2 (42.7–83.6)
 ≥ 60 years 100 (81.3) 59 59.0 (48.7–68.7) 41 41.0 (31.3–51.3)
Type of bleeding
 Occult 85 (69.1) 48 56.5 (45.3–67.2) 37 43.5 (32.8–54.7)
 Overt (melena) 23 (18.7) 13 56.5 (34.5–76.8) 10 43.4 (23.2–65.5)
 Overt (bright) 6 (4.9) 2 33.3 (4.3–77.7) 4 66.7 (22.3–95.7)
Haemoglobin (g/L)
 Mild 35 (28.5) 16 45.7 (28.8–63.4) 19 54.3 (36.7–71.2)
 Moderate 52 (42.3) 24 46.2 (32.2–60.5) 28 53.8 (39.5–67.8)
 Severe 36 (29.3) 27 75 (57.8–87.9) 9 25.0 (12.1–42.2)
Ferritin (ug/L)
  ≥ 15 30 (24.4) 13 43.3 (25.5–62.6) 17 56.7 (37.4–74.5)
 < 15 64 (52.0) 32 50 (37.2–62.8) 32 50 (37.2–62.8)
 NSAID: yes 62 (50.4) 32 51.6 (38.6–64.5) 30 48.4 (35.5–61.4)
 Transfusion: yes 19 (15.4) 11 57.9 (33.5–79.8) 8 42.1 (20.3–66.5)
 Iron replacement: yes 57 (46.3) 27 47.4 (33.9–61.0) 30 52.6 (39.0–66.0)
 Diabetes: yes 27 (22.0) 15 55.6 (35.3–74.5) 12 44.4 (25.5–64.7)
  1. Abbreviations: NSAID: non-steroidal anti-inflammatory drugs; CI: Confidence Interval