Table 3.

Univariate logistic regression analysis in the training set.

Characteristics	OR (95%CI)	P
Activity amount
Hardly	Reference
Frequently	0.174 (0.053-0.571)	0.004
KPS score
≥90points	Reference
≤80 points	2.815 (1.113-7.120)	0.029
drinking history
No	Reference
Yes	2.833 (1.003-8.006)	0.049
PICC history of blood transfusion (within the last 6 months)
No	Reference
Yes	4.773 (1.615-14.105)	0.005
Co-infection
No	Reference
Yes	3.659 (1.427-9.385)	0.007
Thrombosis history (within the last 12 months)
No	Reference
Yes	9.300 (2.852-30.327)	<0.001
FIB
≤4	Reference
>4	3.562 (1.325-9.578)	0.012
ATIII
≤97.5	Reference
>97.5	0.317 (0.125-0.804)	0.015
D-Dimer (mg/L)
≤0.55	Reference
>0.55	4.712 (1.530-14.515)	0.007
Albumin (g/L)
≤35.5	Reference
>35.5	0.352 (0.131-0.945)	0.038
Total cholesterol (mmol/L)
<5.36	Reference
≥5.36	2.483 (0.983-6.271)	0.035
Position of catheter tip
Upper half of superior vena cava	Reference
Lower half of superior vena cava	0.064 (0.019-0.216)	<0.001

KPS score, Karnofsky Performance Status score; FIB, Fibrinogen; ATIII, Antithrombin III.