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. 2023 Sep 13;12(18):5939. doi: 10.3390/jcm12185939

Table 2.

COVID-19 episode.

At Onset Total
N = 1349
Severity (n (%))
    Mild 1259 (94.8)
    Moderate 53 (4.0)
    Severe 16 (1.2)
Symptoms (n (%))
    Asymptomatic 159 (12.0)
    Respiratory a 718 (55.4)
    Gastrointestinal b 592 (45.8)
    Musculoskeletal c 568 (44.0)
    Neurologic d 890 (69.0)
    Constitutional e 946 (73.6)
    ORL f 837 (64.9)
    Other assessed g 285 (22.2)
Vaccination at episode (number of doses) (n (%))
    None 1131 (86.9)
    One 143 (11.0)
    Two 27 (2.1)
At time of survey
Post-COVID-19 conditions 622 (48.0)
Fatigue
    FSS (mean ± SD) 3.3 ± 1.6
    FSS (n (%) of ≥5) 234 (19.6)
    SOFA (mean ± SD) 1.6 ± 0.6
    SOFA (n (%) of ≥2) 266 (22.6)
    FSS ≥ 5 and SOFA ≥ 2 (n (%)) 158 (13.0)
Psychological distress (mean ± SD) 4.0 ± 4.0
Psychological distress (n (%) of ≥14) 44 (3.5)
Daily function (n (%) of no)
    DASI1 134 (10.7)
    DASI2 108 (8.6)
    DASI3 97 (7.9)
    DASI4 354 (33.3)
Function (EQ-5D) (n (%) of no or slight problems)
    Ability to walk 1228 (95.0)
    Ability to bathe and dress 1281 (99.0)
    Ability to complete activities of daily life 1227 (94.9)
    Having pain or discomfort 1151 (89.6)
    Being anxious or depressive 1093 (85.0)
    Being short of breath (n (%))
    Out of breath with intense exercise 889 (71.2)
    Out of breath when rushing or climbing a slight incline 265 (21.2)
    Slower than most people of the same age on flat ground 55 (4.4)
    Stop to breathe when walking 100 m on flat ground 34 (2.7)
    Too out of breath to leave the house 5 (0.4)
Ceased occupation (n (%))
    Two weeks 766 (62.0)
    Three to four weeks 321 (26.0)
    One to three months 89 (7.2)
    More than three months 36 (2.9)
    Ceased occupation 24 (1.9)
Changes to occupation (n (%))
    Same occupation, more demanding 118 (10.7)
    Same occupation, same conditions 863 (77.8)
    Same occupation, less demanding 43 (3.9)
    Different occupation, more demanding 24 (2.2)
    Different occupation, same conditions 30 (2.7)
    Different occupation, less demanding 31 (2.8)
Practitioner or nurse practitioner (n (%))
    Practitioner 1047 (78.5)
    Nurse practitioner 34 (2.6)
    Both 24 (1.8)
    None 228 (17.1)
Access to health professionals (n (%))
    Difficulties with appointment system 122 (17.4)
    Professionals not available 118 (17.6)
    Transportation problems 20 (3.0)

Abbreviations used: N/n = number, SD = standard deviation, FSS = Fatigue Severity Scale, SOFA = Schedule of Fatigue and Anergia/General Practice, DASI = Duke Activity Status Index, EQ-5D = EuroQol-5D. a Includes cough, sibilance, hissing, stridor. b Includes nausea/vomiting, dysphagia, diarrhea, abdominal pain. c Includes joint pain and lower limb edema. d Includes aphasia, dysarthria, confusion, convulsions, ageusia, dysgeusia, anosmia, paresthesia of the lower or upper limbs. e Includes fever, dizziness, inappetence. f Includes earache, sore throat, hemoptysis, nasal discharge or congestion. g Includes eye infection, chest pain, rash.