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Table 2: Univariate logistic regression analysis for lymph node metastasis
Parameter β Coefficient SE Odds Ratio (95% CI) P
Sex, male −0.51 0.67 0.60 (0.16–2.24) .60
Age (years/10) 0.07 0.22 1.07 (0.69–1.65) .77
Performance status, ≥2 0.14 0.81 1.15 (0.23–5.65 .86
T classification, T3–4 2.43 0.90 11.38 (1.96–66.13) <.01
N classification, N1–3 2.25 0.80 9.52 (1.98–45.76) <.005
Differentiation, poor 0.25 0.98 1.28 (0.19–8.67) .80
Tumor thickness (mm) 0.31 0.10 1.36 (1.12–1.65) <.005
Sublingual distance (mm) −0.34 0.12 0.71 (0.56–0.91) <.01
Paralingual distance (mm) −0.64 0.22 0.53 (0.34–0.80) <.005
Note:—SE indicates standard error.

Parameter	β Coefficient	SE	Odds Ratio (95% CI)	P
Sex, male	−0.51	0.67	0.60 (0.16–2.24)	.60
Age (years/10)	0.07	0.22	1.07 (0.69–1.65)	.77
Performance status, ≥2	0.14	0.81	1.15 (0.23–5.65	.86
T classification, T3–4	2.43	0.90	11.38 (1.96–66.13)	<.01
N classification, N1–3	2.25	0.80	9.52 (1.98–45.76)	<.005
Differentiation, poor	0.25	0.98	1.28 (0.19–8.67)	.80
Tumor thickness (mm)	0.31	0.10	1.36 (1.12–1.65)	<.005
Sublingual distance (mm)	−0.34	0.12	0.71 (0.56–0.91)	<.01
Paralingual distance (mm)	−0.64	0.22	0.53 (0.34–0.80)	<.005