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Table 2 Univariate analysis predictive factors of Long COVID

From: Symptoms and risk factors for long COVID in Tunisian population

Factor

Long COVID n(%)

p value

OR CI95%

Yes

No

Gender

    

Male

95(6.9)

185 (13.4)

Reference

Reference

Female

547(39.6)

554(40.1)

≤10 -3

1.92 (1.46-2.52)

BMI

    

<18,5

17(1.2)

22(1.6)

0.964

0.95 (0.52-1.89)

18,5-25

251(18.2)

320(23.2)

Reference

Reference

25-30

237(17.2)

270(19.5)

0.359

1.11 (0.88 -1.42)

>30

137(9.9)

127(9.2)

0.033

1.02 (1.06 -1.84)

Smoking status

    

No

546(39.5)

593(42.9)

Reference

Reference

Yes

96(7)

146(10.6)

0.02

0.71 (0.53-0.94)

Number of symptoms in acute COVID

    

0

7(0.5)

15(1.1)

Reference

Reference

1-5

134(9.7)

255(18.4)

0.43

1.40 (0.60-3.24)

>5

501(36.3)

469(34)

0.008

3.05 (1.33-6.98)

Severity of acute COVID

    

No Hospitalization

590(42.7)

705(51)

Reference

Reference

Hospitalized in a medical unit

40(2.9)

32(2.4)

0.1

1.49 (0.92-2.40)

Hospitalized in intensive care unit

12(0.9)

2(0.1)

0.01

7.16 (1.59-32.16)

Symptoms in acute COVID

    

Soreness

427(30.9)

437(31.6)

0.007

1.35 (1.08-1.68)

Chest pain

215(15.6)

252(18.2)

≤10 -3

1.57 (1.25-1.97)

Anosmia

496(35.9)

439(31.8)

≤10 -3

2.32 (1.83-2.93)

Ageusia

450(32.6)

390(28.2)

≤10 -3

2.09 (1.67-2.61)

Nausea

199(14.4)

147(10.6)

≤10 -3

1.80 (1.41-2.31)

Vomit

131(9.5)

91(6.6)

≤10 -3

1.82 (1.36-2.44)

Diarrhea

226(16.4)

276(20)

≤10 -3

1.71 (1.37-2.13)

Arthralgia

413(29.9)

402(29.1)

≤10 -3

1.51 (1.21-1.87)

Myalgia

301(21.8)

284(20.6)

0.002

1.41 (1.14-1.75)

Dyspnea

184(13.3)

115(8.3)

≤10 -3

2.18 (1.67-2.83)

Fatigue

510(36.9)

550(39.8)

0.028

1.32 (1.03-1.71)

Rhinorrhea

229(16.6)

312(22.6)

0.013

0.75 (0.61-0.94)

Rash

48(3.5)

23(1.7)

≤10 -3

2.51 (1.51-4.18)

Comorbidities

    

No

472(34.2)

984(71.2)

Reference

Reference

Yes

170(12.3)

253(18.3)

 0.002

1.48 (1.15-1.91)

Comorbidity

    

Respiratory affection

50(3.6)

38(2.7)

0.046

1.55(1.00-2.40)

Vaccination status

    

No

507(36.7)

505(36.6)

Reference

Reference

Partially

50(3.6)

56(4)

0.56

0.88 (0.59-1.32)

Complete

85(6.1)

179(13)

≤10 -3

0.47 (0.35-0.62)