The Platelet Function Analyzer (PFA-100) as a Screening Tool in Neurosurgery

Table 5

Outcome data (categorical variables).

Parameter	Non-PFA group	PFA group	OR (95% CI)	P value
Transfused patients [n]
Red cells	12	7	0.6 (0.2–1.6)	0.35
Plasma	17	16	1.0 (0.5–2.2)	1.0
Platelets	2	4	2.3 (0.4–12.6)	0.43
Fibrinogen	3	3	1.1 (0.2–5.6)	1.0
Patients receiving hemostatic treatment [n]
Desmopressin	5	13	3.2 (1.1–9.2)	0.045
Aprotinin	2	5	2.8 (0.5–15.0)	0.14
Tranexamic acid	0	2	5.7 (0.3–119.6)	0.22
Clinical data [n]
Intraoperative bleeding tendency	4	6	1.7 (0.5–6.2)	0.42
Clinically relevant bleeding complication	2	2	1.1 (0.4–2.8)	1.0