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Table. 2.

The associations of the factors of (A) total and (B) IgG isoagglutinin titers (log-transformed values) analyzed by generalized estimated equations (GEE)

Characteristics Reference value Univariable analysis Multivariable analysis
β (95% CI) P value β (95% CI) P value
(A)
Age –0.1 (–0.3∼0.0) 0.139 0.0 (–0.1∼0.2) 0.152
Sex
Male Female 0.2 (–2.4∼2.7) 0.885 0.4 (–0.5∼1.3) 0.706
Blood types
A type O type –4.0 (–5.0∼–3.0) <0.05 –4.3 (–5.4∼–3.2) <0.05
B type O type –5.8 (–7.1∼–4.4) <0.05 –5.9 (–7.2∼–4.6) <0.05
Transplanted organs
Liver Kidney –0.2 (–1.1∼–0.8) 0.694 –0.2 (–1.1∼0.6) 0.546
(B)
Age –0.1 (–0.2∼0.1) 0.332 0.0 (–0.1∼0.0) 0.132
Sex
Male Female 0.0 (–2.6∼2.7) 0.971 0.3 (–0.6∼1.2) 0.525
Blood types
A type O type –4.5 (–5.6∼–3.5) <0.05 –4.8 (–6.0∼–3.7) <0.05
B type O type –5.7 (–7.1∼–4.3) <0.05 –5.9 (–7.2∼–4.6) <0.05
Transplanted organs
Liver Kidney –0.2 (–1.1∼0.8) 0.708 –0.3 (–1.1∼0.5) 0.495

Estimates of the regression coefficient (β), 95% confidence intervals (CI), and P values are listed in the table.

Korean J Blood Transfus 2022;33:145-53 https://doi.org/10.17945/kjbt.2022.33.3.145
© 2022 Korean J Blood Transfus