Table V.

Multivariate analysis of clinicopathological features and survival of lung squamous cell carcinoma patients.

Variable	No. of patients (%)	P-value	Hazard ratio	95% confidence interval
Tumor size (mm)
≤30	39 (37.9)	0.064	1.774	0.968–3.250
>30	64 (62.1)
Lymph node metastasis
n(−)	70 (68.0)	0.023	1.937	1.097–3.419
n(+)	33 (32.0)
Budding
Bud(−)	49 (47.6)	0.001	2.766	1.497–5.109
Bud(+)	54 (52.4)

n(−)/n(+), lymph node metastasis-negative/positive; Bud(−)/Bud(+), budding-negative/positive.