Applying probability calibration to ensemble methods to predict 2-year mortality in patients with DLBCL

Table 2 The variables selected by the logit and Cox models when the threshold is 0.1

Variables	Groupings	Cox model		Logit model
Variables	Groupings	Coefficient	P-value	Coefficient	P-value
Age	≤ 60	Reference	Reference	Reference	Reference
Age	>60	0.362	0.091	0.488	0.098
Gender	Male	Reference	Reference	Reference	Reference
Gender	Female	−0.405	0.037	− 0.509	0.061
Stage	I, II	Reference	Reference	Reference	Reference
Stage	III, IV	0.641	0.046	0.961	0.020
IPI	Low	Reference	Reference	Reference	Reference
	Low-intermediate	0.795	0.021	0.946	0.028
	High-intermediate	0.955	0.010	0.909	0.054
	High	0.726	0.100	0.807	0.160
KPS	≥ 80	Reference	Reference	Reference	Reference
KPS	<80	0.877	< 0.001	1.350	< 0.001
LDH	Normal	Reference	Reference	Reference	Reference
LDH	High	0.401	0.060	0.597	0.064
β₂-MG	Normal	Reference	Reference	Reference	Reference
β₂-MG	High	0.395	0.061	0.562	0.066
Rituximab	Not use	Reference	Reference	Reference	Reference
Rituximab	Use	−0.730	0.001	−0.931	0.002

IPI International prognostic index, KPS Karnofsky performance status, LDH Lactate dehydrogenase, β₂-MG β₂- microglobulin

ISSN: 1472-6947