Table 3 Description of COVID-19 variables three months after infection (n = 2,101)

Symptoms after 3 months, n (%) weighted^a %

 Fatigue/exhaustion

498 (23.7) 20.8

Tingling feeling

84 (4.0) 3.3

 Headache

264 (12.6) 10.9

Chest pain

84 (4.0) 3.4

 Memory problems

258 (12.3) 10.3

Ringing in ears

77 (3.7) 3.0

 Muscle pain

229 (10.9) 6.3

Loss of appetite

67 (3.2) 2.6

 Shortness of breath

220 (10.5) 8.8

Stomach pain

65 (3.1) 2.8

 Sleeping problems

205 (9.8) 8.2

Skin rashes

63 (3.0) 2.7

 Loss of smell

184 (8.8) 7.8

Others

58 (2.8) 2.5

 Joint pain

153 (7.3) 6.8

General malaise

54 (2.6) 2.1

 Loss of taste

128 (6.1) 4.9

Confusion

52 (2.5) 1.8

 Dizziness

121 (5.8) 4.6

Weight loss

48 (2.3) 2.2

 Palpitations

111 (5.3) 4.4

Problems speaking

46 (2.2) 1.6

 Constipation

102 (4.9) 3.9

Problems swallowing

10 (0.5) 0.2

 Persistent cough

99 (4.7) 4.8

Swelling/oedema

10 (0.5) 0.1

 Problems seeing

95 (4.5) 3.5

Incontinence

6 (0.3) 0.1

Average number of symptoms 3 months after infection, mean (SD) weighted^a mean

3.4 (2.8) 2.4

Case definition of PCC (i.e. at least one symptom related to the COVID-19 infection three months after it), n (%) weighted^a %

 •Yes

1,008 (48.0) 42.5

 •No

1,093 (52.0) 57.5

Self-perceived recovery from COVID-19 after 3 months, n (%) weighted^a %

 •Completely recovered

1,180 (56.2) 63.8

 •Somewhat yes

531 (25.3) 22.1

 •Neither yes nor no

194 (9.2) 7.0

 •Not really recovered

131 (6.2) 4.8

 •Not feel recovered at all

65 (3.1) 2.3

Diagnosed with PCC by a healthcare professional, n (%) weighted^a %

 •Yes

551 (26.2) 19.8

 •No

1,550 (73.8) 80.2