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Table 1 Differences between lithium users and non-lithium users

From: Hypercalcemia in patients with bipolar disorder treated with lithium: a cross-sectional study

  Lithium users (n= 314) Non-lithium users ( n= 15) p value
Gender (% female) 61.5 66.7 0.934
Age (years) 47 (13) 40 (9) 0.036
Creatinine (μmol/l) 77.59 (18.9) 68.45 (14.8) 0.115
TSH (mU/l) 2.7 (3.6) 1.9 (0.7) 0.454
Sodium (mmol/l) 140.5 (2.26) 140.9 (1.30) 0.353
Potassium (mmol/l) 4.5 (0.35) 4.3 (0.26) 0.025
Calcium serum level (mmol/l) 2.49 (0.11) 2.37 (0.10) <0.001
  1. Mean values and standard deviation (SD) between brackets. Statistical differences were calculated by means of the Pearson’s chi-square test (gender) and Student’s independent t test (all other variables).