Skip to main content
. 2021 Apr 28;16(4):e0250774. doi: 10.1371/journal.pone.0250774

Table 1. Baseline characteristics, inflammatory markers, and outcomes in men and women with COVID-19 infection.

Men (N = 453) Women (N = 328)
Demographics
Age, years 61 (17) 62 (18)
White race, n (%) 179 (41%) 136 (42%)
Hispanic ethnicity, n (%) 159 (36%) 120 (37%)
Body mass index, kg/m2 30.5 (11.2) 30.8 (7.3)
Comorbidities
Cardiovascular disease, n (%) 118 (26%) 67 (20%)
Type 2 diabetes, n (%) 168 (37%) 115 (35%)
Hypertension, n (%) 238 (53%) 178 (54%)
Pulmonary disease, n (%) 137 (30%) 108 (33%)
COPD, n (%) 53 (12%) 37 (11%)
Asthma, n (%) 51 (11%) 55 (17%)*
Obstructive sleep apnea, n (%) 29 (6%) 22 (7%)
Autoimmune disease, n (%) 32 (7%) 44 (14%)*
Kidney disease, n (%) 95 (21%) 42 (13%)*
Liver disease, n (%) 39 (9%) 33 (10%)
Current cigarette smoker, n (%) 47 (10%) 13 (4%)
Former cigarette smoker, n (%) 178 (39%) 79 (24%)
Baseline medications
Immunosuppressants, n (%) 29 (6%) 25 (8%)
NSAIDs, n (%) 96 (21%) 77 (24%)
Statins, n (%) 214 (47%) 130 (40%)*
ACE inhibitors, n (%) 71 (16%) 53 (16%)
Empiric therapy
Remdesevir, n (%) 4 (1%) 2 (1%)
Tocilizumab, n (%) 5 (1%) 4 (1%)
Hydroxychloroquine, n (%) 231 (51%) 127 (39%)
Azithromycin, n (%) 207 (46%) 136 (42%)
Inflammatory Markers Initial Peak Initial Peak
CRP, mg/L 76 (38–145) 145 (74–263) 59 (27–136)* 125 (54–211)
ESR, mm/h 35 (21–57) 59 (32–110) 40 (27–59)* 54 (35–91)
Procalcitonin, ng/mL 0.16 (0.10–0.31) 0.18 (0.10–0.53) 0.12 (0.08–0.22) 0.13 (0.08–0.28)
Ferritin, ug/L 631 (360–1230) 1027 (546–2142) 413 (224–675) 562 (306–1049)
D-dimer, ng/mL 921 (608–1683) 1749 (897–3944) 1063 (676–1760) 1587 (848–3174)
IL-6, pg/mL 37 (16–88) 40 (17–95) 24 (10–56)* 25 (11–58)*
Symptoms
Symptomatic at presentation 435 (97%) 319 (98%)
Time from symptom onset to presentation, days 5.4 (6.1) 5.5 (6.8)
Outcomes
Death, n (%) 73 (16%) 43 (13%)
ICU admission, n (%) 152 (34%) 90 (28%)
ICU admission or death, n (%) 179 (40%) 115 (35%)

Values are means (standard deviations) or medians (inter-quartile ranges) unless otherwise noted.

* for p<0.05 and

for p<0.001. Abbreviations: ACE inhibitors = angiotensin converting enzyme inhibitors, BMI = body mass index, IVIg = intravenous immunoglobulin, NSAIDs = non-steroid anti-inflammatory drugs. Biomarker data were available for 665 participants.