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Table 3 Calcemia course and etiological investigations of patients with hypercalcemia

From: Epidemiology, clinical features, and management of severe hypercalcemia in critically ill patients

 

All

(n = 131)

Calcemia

 Calcemia at day 1 (mg/dL)

14.5[13.2;16.3]

 Corrected calcemia at day 1 (mg/dL)

15.6 [14;17.2]

 Ionized calcemia at day 1 (mEq/L)

3.5 [3.1;3.9]

Minimal etiological screening

86 (65.6)

 PTH: patients tested, n (%)

84 (64.1)

  PTH median level (ng/mL)

11 [4.9; 47.5]

  High PTH, n (%)

16 (19)

  Low or abnormally normal PTH, n (%)

68 (81)

 PTH-rp: patients tested, n (%)

17 (13)

  High PTH-rp, n (%)

3 (2.3)

 Active Vitamin D (1,25-dihydroxyvitamin D): patients tested, n (%)

52 (39.7)

 Active Vitamin D (1,25-dihydroxyvitamin D) (pg/mL)

16 [6.9; 28.3]

 High active Vitamin D (1,25-dihydroxyvitamin D) levels, n (%)

21 (16)

 Vitamin D (25-dihydroxyvitamin D): patients tested, n (%)

65 (49.6)

 Vitamin D (25-dihydroxyvitamin D) (ng/mL)

9.3 [5.8; 13.6]

 High Vitamin D (25-dihydroxyvitamin D) levels, n (%)

2 (1.5)

 Phosphatemia at admission (mg/dL)

3.5 [2.6; 4.9]

  1. Values for categorical variables are given as number (percentage); values for continuous variables, as median [interquartile range]
  2. Conversion factors: active Vitamin D (1,25-dihydroxyvitamin D) pg/mL for pmoL/L, ×2.6, Vitamin D (25-dihydroxyvitamin D) ng/mL for nmol/L, ×2.496, total calcemia in mg/dL for mmol/L, ×0.2495, calcium ion in mEq/L for mmol/L, ×0.5, phosphorus in mg/dL for mmol/L, ×0.3229
  3. Normal range: PTH: between 5 and 60 pg/mL
  4. PTH parathyroid hormone, PTH-rp parathyroid hormone-related protein