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Table 7 Nae:Ke ratio compared to Na+ and K+ in the serum of COVID-19 patients in ICU

From: Nonthyroidal illness syndrome (NTIS) in severe COVID-19 patients: role of T3 on the Na/K pump gene expression and on hydroelectrolytic equilibrium

  BIA Serum
Nae:Ke ratio Na+ (mmol/l) K+ (mmol/l)
COVID-19 patients (n. 74)
 Normal FT3 serum levels > 1.7 pg/ml (n. 32) 1.8 ± 1.2 139.4 ± 3.7 4.0 ± 0.4
 Low FT3 serum levels ± 1.7 pg/ml (n. 42) 2.4 ± 1.5* 141.2 ± 6.0* 4.1 ± 0.6
  1. Nae:Ke: sodium/potassium exchangeable ratio
  2. *p < 0.05