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. 2020 Dec 28;222(2):431–437. doi: 10.1016/j.amjsurg.2020.12.024

Table 1.

Description of patients by COVID-19 status after propensity score matching.

COVID-19 Negative
COVID-19 Positive
p
N = 1256 N = 432
DEMOGRAPHICS
Age, years (SD) 64.8 (12.3) 65.1 (12.7) 0.69
Sex, male 1171 (93.2) 398 (92.1) 0.51
Race 0.14
 Black 478 (38.1) 187 (43.3)
 White 96 (7.6) 27 (6.2)
 Other 682 (54.3) 218 (50.5)
Hispanic 1160 (92.4) 398 (92.1) 0.96
BMI, kg/m2(SD) 29.8 (6.9) 30.0 (6.9) 0.71
CLINICAL RISK FACTORS
Smoking Status 0.18
 Current 237 (18.9) 62 (14.4)
 Former 549 (43.7) 201 (46.5)
 Never 406 (32.3) 143 (33.1)
 Unknown 64 (5.1) 26 (6.0)
Comorbidity index, CCI (SD) 3.6 (3.4) 3.6 (3.3) 0.91
 Heart failure 16 (1.3) 10 (2.3) 0.20
 COPD 305 (24.3) 101 (23.4) 0.75
 Cirrhosis 49 (3.9) 18 (4.2) 0.92
 HIV 16 (1.3) 10 (2.3) 0.20
Dialysis dependent renal failure 119 (9.5) 33 (7.6) 0.30
PROCEDURAL RISK FACTORS
ASA Class 0.06
 1 3 (0.2) 3 (0.7)
 2 195 (15.5) 58 (13.4)
 3 778 (61.9) 260 (60.2)
 4 279 (22.2) 108 (25.0)
 5 1 (0.1) 3 (0.7)
General anesthesia 737 (58.7) 269 (62.3) 0.21
Organ system of surgery 1.00
 Musculoskeletal 263 (20.9) 89 (20.6)
 Urological 250 (19.9) 85 (19.7)
 Gastrointestinal 194 (15.4) 68 (15.7)
 Cardiovascular 163 (13.0) 57 (13.2)
 Ophthalmological 111 (8.8) 37 (8.6)
 Respiratory 105 (8.4) 35 (8.1)
 Integumentary 74 (5.9) 27 (6.2)
 Neurological 69 (5.5) 25 (5.8)
 Endocrine 9 (0.7) 3 (0.7)
 Gynecological 6 (0.5) 2 (0.5)
 Lymphatic 6 (0.5) 2 (0.5)
 Auditory 3 (0.2) 1 (0.2)
 Mediastinum/Diaphragm 3 (0.2) 1 (0.2)
Urgency level 0.92
 Elective 580 (46.2) 196 (45.4)
 Urgent 544 (43.3) 188 (43.5)
 Emergency 132 (10.5) 48 (11.1)

Data represents frequency (%) unless indicated. Averages presented as means. SD, standard deviation; BMI, body mass index; CCI, Charlson comorbidity index; COPD, chronic obstructive pulmonary disease; HIV, human immunodeficiency virus; ASA, American Society of Anesthesiologists.