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Table 1 Patient characteristics

From: Biomarkers for antimicrobial stewardship: a reappraisal in COVID-19 times?

  Secondary infection (n = 33) No secondary infection (n = 33) p value
Sex
 Male, n (%) 26 (79%) 23 (70%) 0.57
 Female, n (%) 7 (21%) 10 (30%)
Age, years 67 [60–73] 65 [56–70] 0.17
BMI, kg/m2 27.6 [25.4–31.1] 27.7 [24.3–30.7] 0.40
APACHE II 15 [13–19] 15 [10–19] 0.77
Days between COVID-19 symptoms and hospital admission 7 [4–10] 7 [5–11] 0.72
Days between COVID-19 symptoms and ICU admission 10 [7–13] 10 [6–14] 0.96
Day of secondary infection (relative to hospital admission) 16 [13–22] NA  
Day of secondary infection (relative to ICU admission) 14 [9–21] NA  
Medical history, n (%)
 Cardiovascular insufficiency 9 (27%) 9 (27%) 1.00
 Hypertension 17 (52%) 16 (48%) 1.00
 Respiratory insufficiency 2 (6%) 3 (9%) 1.00
 Renal insufficiency 0 (0%) 1 (3%) 1.00
 Metastatic neoplasm 2 (6%) 3 (9%) 1.00
 Immunological insufficiency 0 (0%) 1 (3%) 1.00
 COPD 3 (9%) 3 (9%) 1.00
 Diabetes 11 (33%) 4 (12%) 0.08
 Hematologic malignancy 0 (0%) 1 (3%) 1.00
  1. Continuous data are presented as median [interquartile range]. p values were calculated using Mann-Whitney U tests (continuous data) and Fisher exact tests (categorical data)
  2. NA not applicable