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Table 2 Sodium values and urea use

From: Urea for treatment of acute SIADH in patients with subarachnoid hemorrhage: a single-center experience

Plasma Na at admission (mEq/L) 139 ± 3
Plasma Na at diagnosis of hyponatremia (mEq/L) 131 ± 2
Days from admission to diagnosis of hyponatremia 4 (2–5)
Plasma Na before urea (mEq/L) 127 ± 2
Days from admission to start of urea treatment 7 (5–10)
Duration of urea treatment (days) 5 (3–7)
Daily urea dose (g/day) 50 (40–60)
Change in plasma Na over first 24 h (mEq/L) 3 (1–6)
Time to plasma Na > 130 mEq/L (days) (n = 25) 1 (1–2)
Time to plasma Na > 135 mEq/L (days) (n = 42) 3 (2–4)
  1. Data are expressed as median (IQR) or mean (±SD).