Table 2.

Variables selected by the LR model (P < 0.1)

Variable	Grouping	Coefficient	OR	P-value
Sex	Male	Reference	Reference	Reference
	Female	−0.466	0.628	0.037
Stage	I	Reference	Reference	Reference
	II	0.744	2.105	0.161
	III	1.573	4.823	0.006
	IV	1.429	4.175	0.011
IPI	Low	Reference	Reference	Reference
	Low-intermediate	0.907	2.478	0.008
	High-intermediate	0.953	2.594	0.013
	High	1.210	3.352	0.016
KPS	≥ 80	Reference	Reference	Reference
	<80	0.734	2.084	0.014
GCB	No	Reference	Reference	Reference
	Yes	−0.792	0.453	0.041
CD10	Negative	Reference	Reference	Reference
	Positive	−1.144	0.318	<  0.001
Rituximab	Not use	Reference	Reference	Reference
	Use	−0.502	0.605	0.027

IPI international prognostic index, KPS Karnofsky performance status, GCB germinal center B-cell-like lymphoma, CD10 is immunohistochemical indicators