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. 2023 Aug 16;274(8):1903–1910. doi: 10.1007/s00406-023-01661-3

Table 1.

Demographics and disease course of post-COVID patients

Characteristic All patients (n = 1022) Patients with more than one visit
(n = 411)
Female sex (n) 684 (66.9%) 271 (65.9%)
Age (years) 51 (41; 59) 52 (43; 60)
Days since infection 255 (84; 728) 374 (288; 466)
Out-patient only (n) 818 (80.0%) 327 (79.6%)
 Among them:
  WHO grade
   1 (n) 32 (3.1%) 15 (3.7%)
   2 (n) 733 (71.6%) 282 (68.6%)
   3 (n) 53 (5.2%) 30 (7.3%)
In-patient; n (%) 204 (20.0%) 84 (27.4%)
 Among them:
  In need of oxygen support; n (%) 124 (12.1%) 47 (11.4%)
  ICU stay; n (%) 48 (4.7%) 18 (4.4%)
  WHO grade:
   4 (n) 80 (7.8%) 37 (9.0%)
   5 (n) 76 (7.4%) 29 (7.1%)
   6 (n) 18 (1.8%) 6 (1.5%)
   7 (n) 13 (1.3%) 7 (1.7%)
   8 (n) 6 (0.6%) 1 (0.2%)
   9 (n) 11 (1.1%) 4 (1.0%)

Absolute (n) and relative frequencies (%) or median together with first and third quartile (Q1, Q3) are provided

ICU intensive care unit, N number of patients in total, WHO World Health Organization