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. 2022 Oct 28;22:456. doi: 10.1186/s12903-022-02464-z

Table 3.

The difference of age, gender and hematinic deficiencies based on the grading of AG

AG patients P
Partial subgroup Complete subgroup
Men-to-women ratio 28:112 33:63 0.013 a
Age (median, QR) 58 (49.25, 67.75) 64.5 (57,74) < 0.001 b
Serum folate deficiency 4.29% (6/140) 5.21% (5/96) 0.741 a
Serum vitamin B12 deficiency 60.00% (84/140) 80.21% (77/96) 0.001 a
Serum ferritin deficiency 17.1% (24/140) 9.4% (9/96) 0.091 a
Anemia 15% (21/140) 31.3% (30/96) 0.003 a

QR: Quartile range

a Chi-square test

b Wilcoxon’s rank-sum test