<b><i>Background:</i></b> Multicentre studies focussing on specific long-term post-COVID-19 symptoms are scarce. <b><i>Objective:</i></b> The aim of this study was to determine the levels of fatigue and dyspnoea, repercussions on daily life activities, and risk factors associated with fatigue or dyspnoea in COVID-19 survivors at long term after hospital discharge. <b><i>Methods:</i></b> Age, gender, height, weight, symptoms at hospitalization, pre-existing medical comorbidity, intensive care unit admission, and the presence of cardio-respiratory symptoms developed after severe acute respiratory syndrome coronavirus 2 infection were collected from patients who recovered from COVID-19 at 4 hospitals in Madrid (Spain) from March 1 to May 31, 2020 (first COVID-19 wave). The Functional Impairment Checklist was used for evaluating fatigue/dyspnoea levels and functional limitations. <b><i>Results:</i></b> A total of 1,142 patients (48% women, age: 61, standard deviation [SD]: 17 years) were assessed 7.0 months (SD 0.6) after hospitalization. Fatigue was present in 61% patients, dyspnoea with activity in 55%, and dyspnoea at rest in 23.5%. Only 355 (31.1%) patients did not exhibit fatigue and/or dyspnoea 7 months after hospitalization. Forty-five per cent reported functional limitations with daily living activities. Risk factors associated with fatigue and dyspnoea included female gender, number of pre-existing comorbidities, and number of symptoms at hospitalization. The number of days at hospital was a risk factor just for dyspnoea. <b><i>Conclusions:</i></b> Fatigue and/or dyspnoea were present in 70% of hospitalized COVID-19 survivors 7 months after discharge. In addition, 45% patients exhibited limitations on daily living activities. Being female, higher number of pre-existing medical comorbidities and number of symptoms at hospitalization were risk factors associated to fatigue/dyspnoea in COVID-19 survivors 7 months after hospitalization.

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Background Obesity is a risk factor associated with higher mortality at the acute phase of COVID‐19; however, its influence on post‐COVID symptoms is not known. Objective Our aim was to investigate if obesity is a risk factor for the presence of long‐term post‐COVID symptoms in hospitalised COVID‐19 survivors. Methods A multicentre case‐control study including patients hospitalised during the first wave of the pandemic was performed. Patients with obesity were recruited as cases. Two age‐ and sex‐matched patients without obesity per case were considered as controls. Clinical and hospitalisation data were collected from the hospital medical records. Patients were scheduled for a telephonic interview. A list of post‐COVID symptoms was systematically evaluated, but participants were free to report any symptom. Anxiety/depressive levels and sleep quality were evaluated with the hospital anxiety and depression scale (HADS) and Pittsburgh sleep quality index (PSQI), respectively. Results Overall, 88 patients with obesity and 176 without obesity were assessed 7.2 months after the hospital discharge. The most prevalent post‐COVID symptoms were fatigue and dyspnea. No significant difference in the prevalence of fatigue, dyspnea, anxiety, depression and limitations of daily living activities was observed between people with and without obesity. Obesity was independently associated with a greater number of post‐COVID symptoms (IRR 1.56, 95% CI 1.24‐1.95, P < .001) and poor sleep quality (OR 2.10, 95% CI 1.13‐3.83, P = .02). Conclusions This study found that obesity was associated with a greater number of long‐term post‐COVID symptoms and poor sleep quality in hospitalised COVID‐19 patients.

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