A Nomogram Model for Individualized Prediction of the Risk of Respiratory Tract Infection within Six Months after Diagnosis in Patients with Primary Immune Thrombocytopenia

Table 2

Logistic regression analysis of the onset of symptoms in ITP patients within half a year after diagnosis.

Variable	β	SE	Wald		OR (95% CI)
Age	0.095	0.028	11.320	0.001	1.100 (1.041, 1.163)
Smoking history	2.078	0.526	15.616	<0.001	7.987 (2.850, 22.383)
Glucocorticoid	1.853	0.551	11.328	0.001	6.378 (2.168, 18.763)
Blood platelet count	-0.138	0.045	9.393	0.002	0.871 (0.797, 0.951)
CRP	0.892	0.308	8.399	0.004	2.441 (1.335, 4.462)
CD4^+	-0.108	0.038	8.399	0.004	0.897 (0.833, 0.967)
CD8^+	0.203	0.040	26.022	<0.001	1.225 (1.133, 1.324)

Note: CRP: C-reactive protein; CD₄⁺: CD4-positive T-lymphocytes; CD₈⁺: CD8-positive T-lymphocytes.