Table 2.

The result of Lasso Cox regression

Variable	β	HR	95%CI	Waldχ2	P
Duration of pain
1–6 months	−0.185	0.831	0.716–0.965	−2.423	0.015
6–12 months	−0.385	0.681	0.534–0.867	−3.111	0.002
> 12 months	−0.570	0.566	0.357–0.897	−2.422	0.015
Abdominal distention
Y	0.388	1.475	1.291–1.685	5.714	1.11e-08
Edema
Y	0.340	1.405	1.205–1.638	4.336	1.45e-05
KPS
40	−0.490	0.613	0.530–0.708	−6.618	3.64e-11
≥ 50	−0.736	0.479	0.398–0.576	−7.815	5.50e-15
QOL
>30	−0.201	0.818	0.711–0.940	−2.834	0.005