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Table 2 Clinical examination and laboratory investigations results of the studied workers by student's t-test:

From: Cardiotoxicity of Freon among refrigeration services workers: comparative cross-sectional study

Clinical examination results Freon-exposed workers
(N = 23)
Non-exposed workers
(N = 23)
P-value
BMI (Kg/m2) ( ± SD) 29.9 ± 2.3 30.2 ± 3.3 0.72
Pulse rate (bpm) ( ± SD) 97.8 ± 11.9 81.3 ± 3.9 0.018
Arterial blood pressure (mmHg) ( ± SD)    
Systolic blood pressure 130.0 ± 5.9 128.0 ± 4.3 0.19
Diastolic blood pressure 81.8 ± 5.2 80.3 ± 3.4 0.25
Laboratory investigations results    
Lipid profile (mmol/L) ( ± SD)    
   Cholesterol 5.33 ± 23.6 4.71 ± 15.7 0.0002
   LDL 3.57 ± 25.5 3.75 ± 17.2 0.29
   HDL 0.93 ± 7.4 0.96 ± 3.9 0.41
   Triglycerides 2.15 ± 52.2 2.02 ± 31.5 0.34
Serum electrolytes (mmol/L) ( ± SD)    
   Na+ 140.9 ± 2.7 141.7 ± 3.3 0.31
   K+ 4.4 ± 0.2 4.7 ± 0.7 0.17
   Ca++ 2.23 ± 0.4 2.15 ± 0.8 0.21
Renal dysfunction markers ( ± SD)    
   Urinary microalbumin (mg/dl) 1.7 ± 1.5 18.3 ± 3.3 0.19
   Urinary β2-microglobulin (μg/ml) 0.51 ± 0.1 0.22 ± 0.04 0.0012