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Table 3 Correlation between selected excitability parameters and lab results

From: Critical illness polyneuropathy in ICU patients is related to reduced motor nerve excitability caused by reduced sodium permeability

  pCO2 mmHg HCO3 mmol/l Lactate mg/dl K mmol/l Na mmol/l
SDtc (ms) 0.075 0.41 0.102 0.993 0.543
Rheobase (mA) 0.203 0.875 0.066 0.097 0.728
TEd40 (10–20 ms) 0.007** 0.2 0.016* 0.58 0.924
S240 accommodation 0.175 0.215 0.013* 0.475 0.072
Superexcitability % 0.832 0.533 0.396 0.348 0.087
Late sub-excitability % 0.165 0.066 0.664 0.796 0.147
  1. SD tc strength duration time constant, TE threshold electrotonus, RRP relative refractory period, HCO 3 bicarbonate
  2. * p values < 0.05; ** p values < 0.01