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. 2010 Dec 28;8(1):30–38. doi: 10.7150/ijms.8.30

Table 1.

Frequency predictive signs for possible gastrointestinal lesions in iron deficiency anemia patients.

Yes (%) No (%)
Hematemesis 0 (0) 91 (100)
Melena 4 (4.4) 87 (95.6)
Hematochezia 8 ( 8.8) 83 (91.2)
Hematuria 2 ( 2.2) 89 (97.8)
Menorrhagia 20 (30.7) 46 (69.7)
Diarrhea 3 (3.3) 88 (96.7)
Constipation 39 (42.9) 52 (57.1)
Change of bowel habits 5 (5.5) 86 (94.5)
Lost weight 4 (4.4) 87 (95.6)
Frequently of NSAID1 use 3 (14.3) 88 (96.7)
Intestinal parasite infection 7 (7.7) 84 (92.3)
Previous IDA2 history 45 (49.5) 46 (50.5)
Smoking 23 (25.3) 68 (74.7)
Cancer in first degree relatives 22 (24.2) 69 (75.8)
Cancer in family 28 (30.7) 63 ( 69.3)

1Nonsteroidal anti-inflammatory drugs, 2Iron deficiency anemia