Establishment and validation of a predictive model for peripherally inserted central catheter-related thrombosis in patients with liver cancer

Table 3 Multi-factor regression analysis

Factor	B	SE	Wald χ2	P value	OR	95%CI
Constant	11.176	1.675	44.321	< 0.001	0.000	-
Age ≥ 60 years	0.644	0.308	4.342	0.036	1.907	1.038-3.491
KPS score ≤ 50 points	2.261	2.263	4.338	0.038	2.045	1.276-3.899
Parenteral nutrition	2.249	0.791	8.092	0.005	9.467	2.011-43.596
Duration of the tube is from 1 to 6 months	-0.681	0.321	4.556	0.032	0.506	0.271-0.955
Tube time > 6 months	-1.682	0.778	4.681	0.030	0.185	0.042-0.856
Phase III to IV	2.025	2.021	4.349	0.032	2.844	1.865-3.621
Distant metastasis	0.726	0.308	5.556	0.018	2.065	1.131-3.778
Myelosuppression	0.735	0.318	5.298	0.022	2.082	1.114-3.892
Disability of self-care ability	2.633	1.086	5.899	0.016	13.926	1.661-116.254

KPS: Karnofsky performance status; OR: Odds ratio.