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

Table 7 This table shows the association between vital signs and laboratory investigations and length of stay and severity of the disease

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

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