Table 4

Logistic regression analysis of factors associated with PTE.

	OR (95% CI)^c)
	Crude	Adjusted^b)
Age	1.00 (0.98–1.01)	-
Gender-male	2.40 (1.39–4.14)^d)	2.39 (1.38–4.13)^d)
On admission clinical presentations
O₂ saturation percentage	0.95 (0.92–0.98)^d)	-
O₂ saturation <93%	2.33 (1.27–4.26)^d)	-
Hemoglobin	0.83 (0.73–0.95)^d)	0.83 (0.73–0.95)^d)
Fibrinogen	0.99 (0.98–0.99)^d)	0.99 (0.99–1.00)
Albumin	0.32 (0.18–0.53)^d)	0.31 (0.18–0.55)^d)
NLR	1.07 (1.02–1.11)^d)	1.07 (1.02–1.12)
Troponin	1.00 (1.00–1.00)^d)	1.01 (1.00–1.01)^d)
D-dimer	1.00 (1.00–1.00)^d)	1.00 (1.00–1.00)^d)
CRP	1.00 (1.00–1.01)^d)	1.00 (1.00–1.01)^d)
LDH	1.00 (1.00–1.00)^d)	1.00 (1.00–1.00)^d)
Maximum laboratory characteristics
D-dimer	1.00 (1.00–1.00)^d)	1.00 (1.00–1.00)^d)
CRP	1.01 (0.99–1.01)	1.01 (0.99–1.01)
LDH	1.00 (0.99–1.00)	1.00 (0.99–1.00)
Maximum increase compared to admission time
D-dimer	0.99 (0.99–1.00)	0.99 (0.99–1.00)
CRP	0.98 (0.96–0.99)^d)	0.98 (0.96–0.99)^d)
LDH	0.99 (0.99–1.00)	0.99 (0.99–1.00)
Disease severity^a)	1.03 (0.43–2.5)	-
At least have one underlying disease	1.09 (0.63–1.86)	1.05 (0.61–1.85)
Hemoptysis	0.98 (0.30–3.10)	1.01 (0.30–3.34)

^a)Disease severity defined as O₂ sat<90, respiratory rate>30. ^b)Adjusted by age and severity. ^c)Binary logistic regression was used to estimate crude and adjusted odds ratio. ^d)P-value <0.05.

Abbreviations: CRP, C reactive protein; LDH, lactate dehydrogenase; NLR, neutrophil lymphocyte ratio.

Blood Res 2021;56:293~300 https://doi.org/10.5045/br.2021.2021131