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. 2023 May 12;13:06015. doi: 10.7189/jogh.13.06015

Table 2.

Clinical and sociodemographic characteristics for COVID cases with or without long COVID

Characteristics No long COVID (n = 290), n (%) Long COVID (n = 122), n (%) P-value*
Age in years, median (IQR)
35 (28-47)
40 (32-51)
0.01
Age group in years


0.07
15-30
99 (34.1)
27 (22.1)

31-40
85 (29.3)
38 (31.1)

41-50
51 (17.9)
24 (19.7)

>50
55 (19.0)
33 (27.0)

Female sex
151 (52.1)
77 (63.1)
0.04
BMI in kg/m2, median (IQR)
26.9 (23.5-29.7)
27.2 (23.8-30.1)
0.8
Number of acute symptoms, median (IQR)
11 (7-14)
12 (9-15)
0.01
Obesity
70 (24.1)
32 (26.2)
0.4
Obese (BMI = 30-34)
12 (4.1)
9 (7.4)

Overweight (BMI = 35-39)
57 (19.7)
22 (18.0)

Extremely obese (BMI >40)
1 (0.3)
1 (0.3)

Number of comorbidities


0.05
0
189 (65.0)
75 (61.0)

1
75 (25.9)
26 (21.3)

>1
26 (9.0)
21 (17.2)

Length of follow-up – months, median (IQR)
3.30 (2.00-5.10)
3.75 (2.12-5.55)
0.07
Required hospitalization or ICU 44 (15.2) 21 (17.2) 0.27

BMI – body mass index, ICU – intensive care unit, IQR – interquartile range

*Pearson χ2 test or Wilcoxon rank sum test.