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Table 7 This table shows the association between vital signs and laboratory investigations and 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
Heart rate −0.078 0.323 0.276 0.003
Systolic blood pressure 0.114 0.141 −0.034 0.723
Diastolic blood pressure −0.048 0.539 −0.354  < 0.001
Respiratory rate 0.056 0.5789 0.544  < 0.001
Temperature −0.033 0.765 0.135 0.332
SpO2 −0.063 0.429 −0.73  < 0.001
WBCs counts −0.08 0.344 0.551  < 0.001
Monocyte count −0.038 0.72 0.192 0.128
Lymphocyte count 0.001 0.988 −0.439  < 0.001
Neutrophil count −0.029 0.755 0.651  < 0.001
Red blood cells counts −0.091 0.346 −0.511  < 0.001
Haemoglobin level −0.03 0.72 −0.496  < 0.001
Hematocrit −0.118 0.215 −0.542  < 0.001
Platelet counts 0.103 0.23 −0.177 0.1
CRP level −0.01 0.922 0.718  < 0.001
ESR level 0.127 0.34 0.419 0.004
Ferritin 0.251 0.301 0 1
Lactate dehydrogenase 0.263 0.292 0.316 0.604
Random blood sugar −0.073 0.472 0.441  < 0.001
Sodium 0.252 0.005 0.321 0.005
Potassium −0.041 0.651 0.042 0.72
Blood urea 0.026 0.765 0.435  < 0.001
Creatinine 0.132 0.131 0.293 0.006
Alanine aminotransferase −0.04 0.74 0.427 0.002
aspartate aminotransferase −0.043 0.73 0.65  < 0.001
Alkaline aminotransferase 0.232 0.063 0.588  < 0.001
Total bilirubin 0.105 0.471 0.349 0.047
D-dimer 0.405 0.056 −0.826  < 0.001
  1. Bold values mean these varibles were statistically significant