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Table 1 Demographics of the patients who had a cerebrospinal fluid (CSF) analysis. N = 79

From: Cerebrospinal fluid findings and hypernatremia in COVID-19 patients with altered mental status

   N (%)
Age (years) < 55 20 25.3
≥ 55 59 74.7
Sex Male 50 63.3
Female 29 36.7
Race White 46 58.2
Black or African American 22 27.8
Asian 2 2.5
Other 9 11.4
Hypernatremia Yes 20 (4 of them persistent) 25.3 (20% of hypernatremia cases were ≥ 48 h)
No 59 74.7
Disease severity Mild-moderate 37 46.8
Severe-critical 42 53.2
In-hospital mortality Ex 19 24.1
Survivor 60 75.9
Hospital length of stay ≥ 1 week 27 34.2
< 1 week 52 65.8
Ventilator time ≥ 72 h 28 35.4
< 72 h 3 3.8
None 48 60.8