Table 4

- Clinical factors associated with readmission of COVID-19 cases after hospital discharge (N=237).

Clinical factorsHospital readmissionP-value
No
n=223
Yes
n=14
Severity (n=230)
Mild57 (98.3)1 (1.7)0.031*
Moderate23 (100)0 (0.0)
Severe109 (94.8)6 (5.2)
Critical29 (85.3)5 (14.7)
Duration of symptoms before presentation (n=231)
≤3105 (91.3)10 (8.7)0.067*
4-786 (98.9)1 (1.1)
>727 (93.1)2 (6.9)
Maximum temperature
<37.7118 (92.9)9 (7.1)0.408*
≥37.7105 (95.5)5 (4.5)
Oxygen saturation (n=235)
≥9381 (97.5)2 (2.4)0.102**
<93141 (92.8)11 (7.2)
Fever (n=236)
No58 (90.6)6 (9.4)0.172*
Yes164 (95.3)8 (4.7)
Chills (n=236)
No139 (93.9)9 (6.1)0.900*
Yes83 (94.3)5 (5.7)
Sweating (n=236)
No140 (93.3)10 (6.7)0.528**
Yes82 (95.3)4 (4.7)
Cough (n=236)
No54 (90.0)6 (10.0)0.122*
Yes168 (95.5)8 (4.5)
Sputum (n=234)
No189 (93.6)13 (6.4)0.403**
Yes31 (96.9)1 (3.1)
Headache (n=236)
No158 (92.9)12 (7.1)0.196**
Yes64 (97.0)2 (3.0)
Loss of smell (n=236)
No220 (94.0)14 (6.8)0.885**
Yes2 (100)0 (0.0)
Sore throat (n=236)
No188 (93.1)14 (6.9)0.106**
Yes34 (100)0 (0.0)
Dyspnea (n=236)
No79 (95.2)4 (4.8)0.414**
Yes143 (93.5)10 (6.5)
Chest pain (n=236)
No216 (94.3)13 (5.7)0.352**
Yes6 (85.7)1 (14.3)
Abdominal pain (n=236)
No198 (93.4)14 (6.6)0.213**
Yes24 (100)0 (0.0)
Nausea (n=236)
No176 (93.6)12 (6.4)0.430**
Yes46 (95.8)2 (4.2)
Vomiting
No184 (93.4)13 (6.6)0.292**
Yes38 (97.4)1 (2.6)
Diarrhea (n = 236)
No183 (93.4)13 (6.6)0.278**
Yes39 (97.5)1 (2.5)
Loss of appetite (n=235)
No195 (95.1)10 (4.9)0.087**
Yes26 (86.7)4 (13.3)
Body ache (n=236)
No167 (93.8)11 (6.2)0.535**
Yes55 (94.8)3 (5.2)
Chest x-ray (n=234)
Normal53 (100)0 (0.0)0.004*
Unilateral shadow38 (84.4)7 (15.6)
Bilateral shadow129 (94.9)7 (5.1)
ICU admission (n=234)
No185 (96.4)7 (3.6)0.006*
Yes36 (85.7)6 (14.3)
Blood culture (n=211)
Negative192 (95.0)10 (5.0)0.640**
Positive9 (100)0 (0.0)
Sputum culture (n=220)
Negative199 (95.2)10 (4.8)0.114**
Positive9 (81.8)2 (18.2)
  • * Chi-square test

  • ** Fisher exact test

  • Difference due to missing values, ICU: intensive care unit