Table 3.

Association between the NLR and the severity of psoriasis

Model	Psoriasis	Continuous	P value	OR (95%CI)				P value
	Severity	OR (95% CI)		Q1	Q2	Q3	Q4
Model 1	Little or no psoriasis	1.13 (1.06, 1.21)	<0.001	Reference	1.30 (0.59, 2.85)	1.81 (0.97, 3.35)	2.41 (1.30, 4.48)	0.01
	Few patches to extensive psoriasis	1.22 (1.11, 1.34)	<0.001	Reference	0.95 (0.37, 2.44)	1.09 (0.47, 2.55)	2.86 (1.34, 6.07)	<0.001
Model 2	Little or no psoriasis	1.10 (1.03, 1.18)	0.008	Reference	1.18 (0.52, 2.72)	1.62 (0.85, 3.09)	2.07 (1.08, 3.96)	0.034
	Few patches to extensive psoriasis	1.20 (1.10, 1.31)	<0.001	Reference	0.89 (0.35, 2.29)	1.00 (0.41, 2.44)	2.49 (1.17, 5.29)	0.003
Model 3	Little or no psoriasis	1.08 (1.00, 1.17)	0.06	Reference	1.21 (0.49, 2.96)	1.61 (0.80, 3.22)	2.04 (1.00, 4.17)	0.052
	Few patches to extensive psoriasis	1.19 (1.07, 1.33)	0.004	Reference	0.88 (0.33, 2.34)	0.95 (0.36, 2.54)	2.43 (1.10, 5.36)	0.003

In multinomial logistic regression models, the association between the NLR and psoriasis severity was tested with patients never diagnosed with psoriasis as the reference group. Q1, NLR ≤1.47; Q2, NLR 1.47–1.96; Q3, NLR 1.96–2.63; Q4, NLR >2.63.

NLR, neutrophil-to-lymphocyte ratio.