Table 2.

Logistic regression model of factors with potential predictive value

Parameter	PRDVT		Distant VTE		All VTE
	Odds Ratio (95%CI)	P value	Odds Ratio (95%CI)	P value	Odds Ratio (95%CI)	P value
Age on insertion	0.97 (0.92, 1.02)	0.270	1.02 (0.97, 1.08)	0.393	1.00 (0.96, 1.04)	0.971
Female	0.29 (0.54, 1.59)	0.155	2.50 (0.75, 8.33)	0.135	1.81 (0.65, 5.04)	0.254
Primary cancer type
Breast	N/A	N/A	1.18 (0.04, 31.75)	0.922	2.76 (0.169, 45.00)	0.746
Colorectal	N/A	N/A	0.84 (0.03, 26.54)	0.923	1.07 (0.09, 13.65)	0.959
Pancreas	N/A	N/A	0.82 (0.02, 42.66)	0.920	2.82 (0.137, 58)	0.502
Intention to treatment
Adjuvant	1.16 (0.25, 5.42)	0.851	N/A	N/A	1.43 (0.33, 6.198)	0.629
Palliative	1.33 (0.12, 15.32)	0.187	N/A	N/A	4.62 (0.57, 37.56)	0.153
Ongoing antiplatelet or anticoagulation therapy	1.31 (0.21, 8.22)	0.777	2.91 (0.34, 24.76)	0.329	1.30 (0.30, 5.69)	0.730
Previous VTE event	1.28 (0.17, 9.77)	0.814	0.27 (0.02, 2.91)	0.277	0.77 (0.16, 3.61)	0.740
Smoking	3.90 (1.09, 13.98)	0.036*	0.29 (0.05, 1.66)	0.166	1.61 (0.59, 4.40)	0.351
Pervious risk factor for VTE	0.40 (0.07, 2.42)	0.315	0.66 (0.12, 3.36)	0.612	0.54 (0.15, 1.95)	0.348
Fluropyrimidine containing chemotherapy	5.87 (0.69, 50.22)	0.106	6.80 (0.21, 224.50)	0.283	10.06 (1.6, 63.05)	0.014*
BMI ≥ 30	1.11 (1.01, 1.23)	0.026*	1.12 (1.00, 1.23)	0.033*	1.13 (1.05, 1.22)	0.001*
WBC count	0.86 (0.69, 1.08)	0.202	1.08 (0.95, 1.23)	0.218	1.01 (0.91, 1.12)	0.865
Platelet count	1.01 (1.00, 1.01)	0.103	1.00 (1.00, 1.01)	0.245	1.00 (1.00, 1.01)	0.034*
Prior PICC line in last 6 months	0.74 (0.08, 7.14)	0.791	3.97 (0.80, 19.78)	0.092	2.16 (0.58, 8.03)	0.252

DVT deep vein thrombosis, PICC peripherally inserted central catheter, PRDVT, PICC related DVT, VTE vascular thromboembolism, CI confidence interval, WBC white blood cells, BMI body mass index, N/A not applicable

*= P < 0.05 statistically significant