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Table 2 Association between atopic diseases and iron deficiency anemia

From: Association between atopic disease and anemia in pediatrics: a cross-sectional study

Atopic diseasesFrequency (%)Crude OR (95% CI)P valueAdjusted OR (95% CI)P value
No anemia
N = (827,124)
IDA
(N = 19,594)
Atopic dermatitis
 No722,427 (87.34)14,853 (75.80)1 [Reference] 1 [Reference] 
 Yes104,697 (12.66)4741 (24.20)2.20 (2.13–2.28)<.0011.42 (1.37–1.47)<.001
Allergic rhinitis
 No534,731 (64.65)10,344 (52.79)1 [Reference] 1 [Reference] 
 Yes292,393 (35.35)9250 (47.21)1.64 (1.59–1.68)<.0011.25 (1.21–1.29)<.001
Asthma
 No600,218 (72.57)9393 (47.94)1 [Reference] 1 [Reference] 
 Yes226,906 (27.43)10,201 (52.06)2.87 (2.79–2.96)<.0011.71 (1.65–1.76)<.001
Atopic diseases, No.
 0388,310 (46.95)5170 (26.39)1 [Reference] 1 [Reference] 
 1280,108 (33.87)6638 (33.88)1.78 (1.72–1.85)<.0011.30 (1.25–1.35)<.001
 2132,230 (15.99)5804 (29.62)3.30 (3.17–3.42)<.0011.81 (1.73–1.89)<.001
 326,476 (3.20)1982 (10.12)5.62 (5.33–5.93)<.0012.58 (2.43–2.73)<.001
  1. IDA Iron deficiency anemia
  2. Adjusted by age, sex, insurance type, meningitis, bone and joint infection, sepsis, hepatitis, depression, anxiety, chronic kidney disease, peptic ulcer disease, chronic obstructive pulmonary disease, systemic lupus erythematosus, rheumatoid arthritis, irritable bowel disease, cancer, steroid, methotrexate, cyclosporine