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Table 1 Lung asbestos content in mesothelioma cases versus controls

From: A postmortem case control study of asbestos burden in lungs of malignant mesothelioma cases

 

Mesothelioma n = 95 (65.52%)

Controls n = 50 (34.48%)

p-value

p-value ^

 

Mean (standard deviation)

  

Asbestos concentration (ff/gdw)

79705.59 (240333.83)

3187.74 (7582.45)

0.0025

0.0002

Concentration of asbestos bodies (ff/gdw)

74670.71 (333130.60)

2013.54 (5627.97)

0.0362

0.0137

Concentration of Chrysotile asbestiform antigorite (ff/gdw)

433.78 (1886.95)

488.85 (2131.73)

0.8734

0.8181

Concentration of crocidolite (ff/gdw)

32343.66 (102023.53)

0 (0)

0.0026

0.1557

Concentration of amosite (ff/gdw)

38522.37 (142833.63)

123.04 (870.05)

0.0102

0.0051

Concentration of anthophyllite asbestos (ff/gdw)

676.27 (3471.68)

257.27 (1819.19)

0.3419

0.3925

Concentration of tremolite actinolite asbestos (ff/gdw)

7729.52 (13009.02)

2318.58 (5979.66)

0.0008

0.0054

Mean length of asbestos fibers (μm)

23.87 (12.42)

19.87 (14.99)

0.2929

0.2749

Mean width of asbestos fibers (μm)

0.68 (0.28)

0.96 (0.38)

0.0027

0.0070

Survival (months)

17.40 (14.74)

  1. ^adjusted for age and sex with logistic regression
  2. #fibers per gram of dry weight