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. Author manuscript; available in PMC: 2024 Mar 26.
Published in final edited form as: J Allergy Clin Immunol. 2021 Mar 19;148(2):621–626.e7. doi: 10.1016/j.jaci.2021.02.043

Table 3.

Predictors of grade IV venom anaphylaxis in patients with normal BST.

Univarate log-regression Multivariate log-regression
OR 95% CI (OR) P-value OR 95% CI (OR) P-value
BST 1.16 1.04–1.30 0.01 1.07 0.94–1.22 0.30
KIT p.D816V 11.94 4.04–35.30 <0.0001 10.25 3.75–36.14 <0.0001
HαT 0.55 0.03–4.34 0.61 0.65 0.03–5.87 0.73
Age 1.03 1.02–1.05 <0.0001 1.03 1.01–1.05 0.002
Gender (male) 1.05 0.68–1.62 0.88 0.98 0.62–1.58 0.95

BST, basal serum tryptase; the normal range is considered 1–11.4 ng/mL.OR, odds ratio; CI, confidence interval. Grades were assigned based upon the Mueller grading system.3 BST and age (years) were treated as continuous variables.