TABLE 1

Clinical characteristics during admission for coronavirus disease 2019 (COVID-19)

TotalICU admissionNo ICU admissionp-value
Subjects1031588
Demographic data
 Male54 (52)11 (73)43 (49)0.098
 Age years59 (49–72)52 (50–59)61 (49–74)0.116
 Body mass index kg·m−225.8 (23.8–29.6)24.9 (23.7–29.3)25.9 (23.8–29.1)0.885
 Current smoker3 (3.4)0 (0)3 (4)0.216
 Previous smoker34 (39)3 (21)31 (42)
 Medical comorbidity
  History of hypertension35 (35)1 (7)34 (40)0.017
  History of diabetes8 (8)0 (0)8 (9)0.599
COVID-19 hospital admission
 Length of stay days6 (3–11)17 (12–25)5 (3–9)<0.001
 Oxygen treatment67 (66)15 (100)52 (59)0.003
 ICU admission15 (15)N/AN/AN/A
 Invasive ventilation9 (9)9 (60)N/AN/A
 Bilateral densities on chest radiography48 (49)14 (93)34 (41)<0.001
 Maximum level of CRP mg·L−1120 (48–217)246 (189–290)107 (34–175)<0.001
 Maximum level of D-dimer mg·L−11.0 (0.4–1.9)3.5 (1.9–4.5)0.8 (0.4–1.4)<0.001
 Lowest level of lymphocytes ×109 cells·L−10.9 (0.6–1.4)0.8 (0.6–1.0)1.0 (0.6–1.5)0.129

Data are presented as n, n (%) or median (25th–75th percentile) unless otherwise stated. ICU: intensive care unit; CRP: C-reactive protein; N/A: not applicable.