Table 3.

Lung asbestos concentrations in mesothelioma cases according to sex

	Male n = 49 (51.58%)	Female n = 46 (48.42%)	p-value	p-value *
	Mean (standard deviation)
Asbestos concentration (ff/gdw)	116718.43 (328061.05)	40278.87 (52680.63)	0.1138	0.7500
Concentration of asbestos bodies (ff/gdw)	138342.88 (456357.00)	6846.01 (23532.36)	0.0496	0.4412
Concentration of Chrysotile asbestiform antigorite (ff/gdw)	0 (0)	895.85 (2648.50)	0.0265	0.0187
Crocidolite Concentration (ff/gdw)	51355.28 (138066.69)	12092.15 (24429.16)	0.0557	0.5843
Amosite concentration (ff/gdw)	57712.94 (196478.55)	18080.24 (24713.63)	0.1677	0.8575
Anthophyllite asbestos concentration (ff/gdw)	1311.14 (4770.03)	0 (0)	0.0603	0.2537
Concentration of tremolite/ actinolite asbestos (ff/gdw)	6339.10 (11869.49)	9210.63 (14102.75)	0.2847	0.7146
Mean length of asbestos fibers (μm)	23.37 (13.97)	24.22 (11.33)	0.7808	0.4260
Mean width of asbestos fibers (μm)	0.80 (0.33)	0.60 (0.21)	0.0080	0.0763

^*adjusted for age and type of exposure

^#fibers per gram of dry weight