Table 2.

Clinical characteristics.

Vital signs		No transfusion. N = 44		Transfusion. N = 25		P-Value
		Value (mean)	Range	Value (mean)	Range
Systolic BP* on ICU** admission		133	115–146	120	109–140	0.198
Diastolic BP on ICU admission		79	68–85	75	62–82	0.253
Temperature on admission to the ICU		36	35.5–36.5	36	35.0–36.3	0.082
CVP*** on admission to the ICU		6	4–10	7.5	7.0–9.0	0.484
Oxygen saturation on admission to the ICU		99	97–100	100	98–100	0.046*
Breathing frequency		18	16–20	18	14–22	0.848
Clinical features		N	%	N	%	P -Value
Orotracheal intubation	No	24	55.81	7	28.00	0.026
	Yes	19	44.19	18	72.00
Laryngeal mask	No	37	97.37	20	86.96	0.111
	Yes	1	2.63	3	13.04
High flow oxygen therapy	No	37	90.24	22	88.00	0.774
	Yes	4	9.76	3	12.00
Non–invasive mechanical ventilation	No	36	94.74	23	95.83	0.845
	Yes	2	5.26	1	4.17
Invasive mechanical ventilation	No	24	57.14	11	44.00	0.298
	Yes	18	42.86	14	56.00
Tracheotomy	No	39	97.50	19	86.36	0.088
	Yes	1	2.50	3	13.64
Kidney failure	No	38	86.36	14	56.00	0.005*
	Yes	6	13.64	11	44.00
Days mechanical ventilation		No transfusion N = 44		Transfusion. N = 25		P -Value
		Days (mean)	Range	Days (mean)	Range
		5	1–10	1	1–9	0.303

^*BP, Blood Pressure.

^**ICU, Intensive Care Unit.

^***CVP, Central Venous Pressure.