Table 3.

– Comparison of baseline demographics and comorbidities between the two cohorts.

Characteristic, % (n)	UTI PATOS (n = 353)	No UTI PATOS (n = 706)	P value
Female	73.1 (258)	73.1 (258)	<0.001
Race			0.382
White	80.2 (283)	76.8 (542)
Black and/or African American	9.9 (35)	10.3 (73)
Other	3.4 (12)	3.3 (23)
Unknown	6.5 (23)	9.6 (68)
Age, y			0.988
<40	10.8 (38)	10.2 (72)
41–55	15.6 (55)	16.1 (114)
56–70	34.6 (122)	34.8 (246)
70+	39.1 (138)	38.8 (274)
BMI			0.291
Nonobese (BMI < 30)	53.6 (187)	57.0 (398)
Obese (BMI _ 30)	46.4 (162)	43.0 (300)
Outpatient classification	20.4 (72)	29.6 (209)	0.001
Diabetes			0.275
Noninsulin dependent	13.9 (49)	12.5 (88)
Insulin dependent	10.5 (37)	7.9 (56)
Smoker	20.7 (73)	17.0 (120)	0.143
Dyspnea	7.4 (26)	8.5 (60)	0.525
Dependent functional status	10.5 (37)	3.4 (24)	<0.001
ASA classification			0.999
I	2.8 (10)	2.8 (20)
II	33.1 (117)	33.1 (234)
III	53.3 (188)	53.5 (378)
IV	10.8 (38)	10.5 (74)
Chronic obstructive pulmonary disease	5.4 (19)	5.7 (40)	0.850
Ascites	0.3 (1)	0.3 (2)	1.000*
Congestive heart failure	1.7 (6)	0.6 (4)	0.093*
Hypertension	55.0 (194)	56.5 (399)	0.630
Acute renal failure	0.6 (2)	0.3 (2)	0.604*
Dialysis-dependent	0.8 (3)	2.0 (14)	0.167
Disseminated cancer	5.7 (20)	5.2 (37)	0.773
Wound infection	10.8 (38)	3.4 (24)	<0.001
Steroid use	7.9 (28)	5.9 (42)	0.221
Weight loss	6.5 (23)	2.8 (20)	0.004
Bleeding disorder	5.9 (21)	4.4 (31)	0.269
Transfusion	2.0 (7)	0.6 (4)	0.032
CPT code groupings			1.000
Skin/soft tissue/breast/ thyroid/parathyroid	11.6 (41)	11.6 (82)
Major vascular and lower extremity amputation	2.0 (7)	2.0 (14)
Major thoracic surgery	1.1 (4)	1.1 (8)
Major noncolorectal intra-abdominal surgery	31.7 (112)	31.7 (224)
Colorectal surgery	36.5 (129)	36.5 (129)
Urologic	2.8 (10)	2.8 (10)
Inguinal or ventral hernia	14.2 (50)	14.2 (50)

^*Fisher’s exact P value.