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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