Table 1. Demographics.

All data expressed as n (%), unless otherwise indicated. IQR, interquartile range.

	Controls	BSI	p#	pneumonia	p#	UTI	p#
n	223	90	-	49	-	121	-
Age, median (IQR)	71 (63–81)	63 (54–78)	<0.01	68 (58–81)	0.36	69 (57–82)	0.20
Female	148 (66)	44 (48)	<0.01	24 (49)	0.03	65 (54)	0.03
Race/Ethnicity			0.06		0.53		0.05
White	132 (59)	45 (50)		27 (55)		58 (48)
Black	78 (35)	44 (49)		17 (35)		58 (48)
Hispanic	5 (2)	0		3 (6)		4 (3)
Other	8 (4)	1 (1)		2 (4)		1 (1)
Charlson comorbidity index, median (IQR)	3 (2–5)	3 (2–5)	0.51	3 (2–5)	0.18	3 (2–5)	0.43
Diabetes mellitus	117 (52)	40 (44)	0.21	24 (49)	0.75	60 (50)	0.65
Renal failure‡	55 (25)	31 (34)	0.09	9 (18)	0.45	30 (25)	1.0
Heart disease	125 (56)	41 (46)	0.13	31 (63)	0.43	57 (47)	0.12
COPD	63 (29)	19 (21)	0.20	18 (37)	0.30	34 (28)	1.0
Malignancy	42 (19)	21 (23)	0.44	4 (8)	0.09	18 (15)	0.38

^#comparison with controls.

^‡renal failure defined as creatinine >2 mg/dL upon admission.