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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.37.0–78.045.0–70.0U = 94.0*0.007*
 Mean ± SD.55.46 ± 12.4955.31 ± 7.51  
 Median55.054.0  
Time since first exposure (years)
 Min.–Max.10.0–36.013.0–35.0t = 3.019*0.005*
 Mean ± SD.20.04 ± 6.5926.75 ± 7.22  
 Median19.029.0  
Latent duration (year)
 Min.–Max.3.0–8.01.0–5.0t = 4.231*< 0.001*
 Mean ± SD.5.67 ± 1.202.47 ± 1.34  
 Median6.02.0