Exploration of the association between SF3B4 and HMGB1 expression and the clinicopathological features and prognosis of gastric cancer

Table 6 Variable assignment

Independent variable	Assignment method
	0, survived	1, deceased
SF3B4	< 1.45	≥ 1.45
HMGB1	< 0.93	≥ 0.93
Tumor differentiation	Moderate to high differentiation	Poor differentiation
Maximum tumor diameter, cm	< 5	≥ 5
Tumor invasion depth	T1-T2	T3-T4
Lymph node metastasis	No	Yes
cTNM stage	I-II	III-IV

cTNM: Clinical tumor-node-metastasis.