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Table 6 Correlation between clinical manifestations and complications with length of stay and severity of the disease

From: Clinical manifestations, complications, and outcomes of patients with COVID-19 in Sudan: a multicenter observational study

Variables Correlation
Length of in-hospital stay Severity of the disease
R P-value R P-value
Duration from Onset of symptom to admission 0.015 0.859 0.187 0.071
General manifestations
 Fever 0.066 0.353 0.078 0.469
 Headache −0.058 0.411 −0.483  < 0.001
 Fatigue 0.01 0.891 −0.067 0.53
 Loss of the smell sensation 0.032 0.656 −0.127 0.234
 Loss of taste −0.02 0.777 −0.127 0.234
 Body aches −0.003 0.968 −0.237 0.025
Neurological manifestations
 Disturbed level of consciousness −0.145 0.041 −0.166 0.647
 Hemiparesis −0.008 0.913 0.248 0.489
 Aphasia −0.076 0.285 −0.58 0.079
Pulmonary manifestations
 Cough −0.115 0.105 0.107 0.29
 Shortness of breath 0.171 0.015 0.479  < 0.001
 Sore throat −0.159 0.044 −0.357  < 0.001
 Runny nose 0.051 0.471 −0.222 0.027
 Chest Pain 0.107 0.129 −0.034 0.753
 Hemoptysis 0.032 0.652 0.135 0.182
Gastrointestinal manifestations
 Nausea and vomiting −0.035 0.626 0.325 0.13
 Diarrhea −0.059 0.407 −0.095 0.665
 Abdominal pain 0.02 0.778 −0.029 0.897
 Loss of appetite −0.69 0.69 −0.02 0.927
Vascular manifestations
 DVT −0.109 0.125 −0.5 0.667
 Coronary artery disease −0.119 0.092 0.5 0.667
In-hospital complications
 Acute respiratory distress syndrome 0.165 0.019 0.233 0.015
 Respiratory failure −0.136 0.054 0.352  < 0.001
 Acute cardiac injury 0.015 0.829
 Heart failure −0.024 0.737 0.153 0.113
 Sepsis 0.049 0.492 0.292 0.002
 Acidosis −0.192 0.006 0.4  < 0.001
 Alkalosis 0.065 0.357 0.292 0.002
 Acute kidney injury −0.007 0.924 0.23 0.017
 Hyperkalemia −0.032 0.649 0.153 0.113
 Hypokalemia −0.043 0.548 0.215 0.025
 Hypernatremia 0.092 0.193
 Hyponatremia −0.076 0.258 −0.036 0.715
 Shock −0.075 0.292 0.208 0.031
 Gastrointestinal bleeding −0.035 0.618 0.153 0.113
Disease severity −0.02 0.841
Respiratory support −0.136 0.086 −0.589  < 0.001
  1. Bold values mean these varibles were statistically significant