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Table 2 Comparison between the two studied groups according to duration of different parameters

From: Imaging of asbestos-related lung and pleural diseases as an endemic exposure in Egypt

 

Malignant (n = 24)

Benign (n = 16)

Test of Sig.

p

Duration of exposure to asbestos

 Min.–Max.

37.0–78.0

45.0–70.0

U = 94.0*

0.007*

 Mean ± SD.

55.46 ± 12.49

55.31 ± 7.51

  

 Median

55.0

54.0

  

Time since first exposure (years)

 Min.–Max.

10.0–36.0

13.0–35.0

t = 3.019*

0.005*

 Mean ± SD.

20.04 ± 6.59

26.75 ± 7.22

  

 Median

19.0

29.0

  

Latent duration (year)

 Min.–Max.

3.0–8.0

1.0–5.0

t = 4.231*

< 0.001*

 Mean ± SD.

5.67 ± 1.20

2.47 ± 1.34

  

 Median

6.0

2.0

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