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

Table 4

Outcome data (continuous variables).

Parameter	Non-PFA group	PFA group	P value
Postoperative Hb [g/L]	116 (17.8)	116 (15.7)	0.90
Male	120 (17.7)	124 (14.6)	0.37
Female	111 (16.7)	110 (14.1)	0.87
Duration of anesthesia [min]	400 (159)	384 (131)	0.44
Duration of surgery [min]	294 (148)	281 (123)	0.51
Transfusions per patient
Red cells [units]	0 (0–7)	0 (0–10)	0.39
Plasma [units]	0 (0–8)	0 (0–10)	0.91
Platelets [units]	0 (0–1)	0 (0–2)	0.33
Prothrombin complex [IU]	0	0	n. t.^*
Fibrinogen [g]	0 (0–4)	0 (0–3)	0.91
Postoperative GCS	15 (3–15)	15 (8–15)	0.69
GOS	5 (1–5)	5 (3–5)	0.10
LOS^** in intensive care [days]	2 (0–33)	2 (0–43)	0.37

^*n. t.: not tested; ^**LOS: length of stay.