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. 2022 Feb 10;3(1):49–67. doi: 10.3390/epidemiologia3010006

Table 5.

Symptoms of acute COVID-19 illness and return to the usual health by adjusted incidence ratio (aIR) and adjusted relative risk (aRR). Borriana COVID-19 cohort 2020.

Symptoms Return to the Usual Health Total (%)
aIR 1 (%) aRR 1 (95% CI) p-Value
Cough
 Yes

81.7

1.00
 No 83.9 1.03 (0.94–1.12) 0.528
Runny nose
 Yes

82.0

1.00
 No 84.5 1.03 (0.94–1.13) 0.499
Throat pain
 Yes

82.2

1.00
 No 85.3 1.03 (0.89–1.05) 0.438
Fever
 Yes

79.8

1.00
 No 85.3 1.07 (0.98–1.16) 0.142
Loss smell/taste
 Yes

79.5

1.00
 No 87.1 1.10 (1.01–1.19) 0.031
Diarrhea
 Yes

79.4

1.00
 No 84.8 1.07 (0.97–1.18) 0.196
Vomits
 Yes

86.3

1.00
 No 83.4 1.03 (0.88–1.06) 0.487
Weakness
 Yes

78.3

1.00
 No 90.2 1.15 (1.06–1.26) 0.001
Headache
 Yes

79.0

1.00
 No 87.1 1.10 (1.01–1.20) 0.025
Myalgia
 Yes

79.0

1.00
 No 85.2 1.07 (0.98–1.19) 0.112
Dyspnea
 Yes

73.4

1.00
 No 79.3 1.08 (0.68–1.71) 0.794
Skin’s lesions
 Yes

72.3

1.00
 No 84.4 1.17 (0.99–1.37) 0.061
Number of symptoms ≥ 5
 Yes

77.2

1.00
 No 87.1 1.13 (1.03–1.24) 0.013
Asymptomatic
 Yes

87.7

1.00
 No 82.2 1.08 (0.97–1.19) 0.133
Medical consultation
 Yes

73.9

1.00
 No 90.9 1.22 (1.12–1.35) 0.000

1 Adjusted for age, sex, ABO blood groups, COVID-19 exposures, lifestyle, obesity (body mass index ≥ 30), occupation, chronic disease.