Low hemoglobin is associated with poor functional outcome after non-traumatic, supratentorial intracerebral hemorrhage

Table 3 Univariate analysis of factors associated with in-hospital mortality

Variable	mRS 0 to 5 (n = 153)	mRS 6 (n = 43)	P
Age (years) (mean, SD)	66.1 (13.8)	71.1 (11.1)	0.028^a
Sex (male, n, %)	100 (65.4)	30 (69.8)	0.589^c
Hemorrhage volume (ml) (median, IQR)	17.1 (36.5)	88 (108.9)	<0.001^b
Intraventricular hemorrhage extension (n, %)	49 (32.9)	28 (65.1)	<0.001^c
NIHSS on admission (median, IQR)	10 (12)	34 (10)	<0.001^b
Admission HB (g/dl) (mean, SD)	13.9 (1.8)	13.2 (2.3)	0.040^a
Mean HB (g/dl) (mean, SD)	12.8 (2.0)	12.2 (2.4)	0.150^a
Nadir HB (g/dl) (mean, SD)	11.9 (2.2)	11.7 (2.7)	0.516^a
Anemia during hospital stay (n, %)	71 (46.4)	23 (53.5)	0.411^c
Hospital stay(days) (median, IQR)	7 (9)	2 (43)	<0.001^b
ICU stay (n, %)	53 (34.6)	30 (69.8)	<0.001^c
Mechanical ventilation (n, %)	33 (21.6)	24 (57.1)	<0.001^c
RBC transfusion (n, %)	7 (4.6)	3 (7)	0.527^c

^a Student t-test
^b Mann-Whitney-U test
^c Chi squared test
HB, hemoglobin; IQR, interquartile range; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; RBC, red blood cell; SD, standard deviation.

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