Table 1.

Baseline Characteristics of the Study Cohort

	Hyperoxia N = 49	Normoxia N = 51	P-Value
Demographics
Age, years	71 (67, 75)	70 (68, 75)	0.88
Male Sex	43 (87.76)	41 (80.39)	0.32
Weight, kilograms	86.7 ± 13.7	87.9 ± 18.0	0.70
Height, centimeters	175 (170, 178)	173 (168, 180)	0.81
Body Mass Index, kilograms/meter2	29.3 (26.6, 31.8)	29.0 (24.4, 32.0)	0.91
Race			0.74
White	46 (93.88)	49 (96.08)
Black / African American	1 (2.04)	1 (1.96)
Asian	0 (0)	1 (1.96)
Unknown / Not Specified	1 (2.04)	0 (0)
Other	1 (2.04)	0 (0)
Hispanic or Latino	1 (2.04)	0 (0)	0.49
Surgical Characteristics
Previous Cardiac Surgery	1 (2.04)	0 (0)	0.49
Previous Carotid Endarterectomy	4 (8.16)	2 (3.92)	0.43
Previous Percutaneous Coronary Intervention	11 (22.45)	19 (37.25)	0.11
Other Previous Vascular Surgery	2 (4.08)	2 (3.92)	0.97
Preoperative Medications
Aspirin (Within Five Days)	42 (85.71)	42 (82.35)	0.65
Clopidogrel/Plavix (Within Seven Days)	5 (10.20)	5 (9.80)	0.95
Medical Characteristics
Charlson Comorbidity Index	4 (3, 5)	4 (3, 5)	0.41
Peripheral Vascular Disease	5 (10.20)	5 (9.80)	0.95
Connective Tissue Disease	3 (6.12)	5 (9.80)	0.72
Ulcer Disease	1 (2.04)	4 (7.84)	0.36
Mild liver Disease	1 (2.04)	2 (3.92)	0.58
Diabetes (Without Complications)	17 (34.69)	20 (39.22)	0.64
Diabetes (With End Organ Damage)	7 (14.29)	6 (11.76)	0.71
Moderate or Severe Renal Disease	6 (12.24)	6 (11.76)	0.94
Solid tumor (Non-metastatic)	9 (18.37)	7 (13.73)	0.53
Leukemia	2 (4.08)	0 (0)	0.24
Lymphoma / Multiple Myeloma	1 (2.04)	1 (1.96)	0.98
Moderate or Severe Liver Disease	2 (4.08)	1 (1.96)	0.61
Acquired Immune Deficiency Syndrome	1 (2.04)	0 (0)	0.49
Depression	9 (18.37)	6 (11.76)	0.36
Chronic Pain	5 (10.20)	5 (9.80)	0.95
None	6 (12.24)	11 (21.57)	0.21
Baseline telephonic-Montreal Cognitive Assessment Score	17 (15, 19)	17 (16, 19)	0.96

Values are presented as mean ± standard deviation, median (quartile 1, quartile 3), or n (%) depending on type and distribution.