Table 4. Clinical factors and... | American Society of Hematology

Table 4.

Clinical factors and association with CVC-related thrombosis

Factors	Admission			Follow-up
	n	χ²*	OR (95%CI)	n	χ²*	OR (95%CI)
	n	χ²*	P	n	χ²*	P
ECMO
Yes	14	0.6	1.4 (0.41-4.8)	8	0.29	2.46 (0.45-13.5)
No	126	0.6	P = 0.6	109	0.29	P = .3
Open chest
Yes	14	0.23	2.0 (0.62-6.5)	7	0.2	2.98 (0.52-16.98)
No	125	0.23	P = .2	110	0.2	P = .2
Cardiac arrest
Yes	23	0.01	3.32 (1.29-8.55)	14	0.06	3.35 (0.89-12.49)
No	117	0.01	P = .01	103	0.06	P = .07
Age
<1 y	79	0.8	0.89 (0.4-1.97)	54	0.24	1.9 (0.64-6.04)
>1 y	67	0.8	P = .7	66	0.24	P = .2
UFH
≤10 units	104	0.03	2.05 (0.63-6.7)	86	0.45	0.93 (0.1-8.2)
>10 units	16	0.03	P = .2	10	0.45	P = .9
Hypotension
Yes	47	0.11	1.9 (0.85-4.28)	35	0.05	2.85 (0.98-8.34)
No	99	0.11	P = .1	85	0.05	P = .05
Bleeding
Yes†	11	0.05	3.3 (0.93-11.67)	8	0.3	2.3 (0.43-12.7)
No	135	0.05	P = .06	112	0.3	P = .3

Factors	Admission			Follow-up
	n	χ²*	OR (95%CI)	n	χ²*	OR (95%CI)
	n	χ²*	P	n	χ²*	P
ECMO
Yes	14	0.6	1.4 (0.41-4.8)	8	0.29	2.46 (0.45-13.5)
No	126	0.6	P = 0.6	109	0.29	P = .3
Open chest
Yes	14	0.23	2.0 (0.62-6.5)	7	0.2	2.98 (0.52-16.98)
No	125	0.23	P = .2	110	0.2	P = .2
Cardiac arrest
Yes	23	0.01	3.32 (1.29-8.55)	14	0.06	3.35 (0.89-12.49)
No	117	0.01	P = .01	103	0.06	P = .07
Age
<1 y	79	0.8	0.89 (0.4-1.97)	54	0.24	1.9 (0.64-6.04)
>1 y	67	0.8	P = .7	66	0.24	P = .2
UFH
≤10 units	104	0.03	2.05 (0.63-6.7)	86	0.45	0.93 (0.1-8.2)
>10 units	16	0.03	P = .2	10	0.45	P = .9
Hypotension
Yes	47	0.11	1.9 (0.85-4.28)	35	0.05	2.85 (0.98-8.34)
No	99	0.11	P = .1	85	0.05	P = .05
Bleeding
Yes†	11	0.05	3.3 (0.93-11.67)	8	0.3	2.3 (0.43-12.7)
No	135	0.05	P = .06	112	0.3	P = .3

ECMO, extracorporeal membrane oxygenation; NB, not all patients received unfractionated heparin.

Two sided.

Major bleeding and clinically relevant bleeding.