Table 2

Size of the central fibre of ferruginous bodies(FBs) on erionite, and of erionite, TiO2, and other non-asbestos fibres in BALF of Tuzköy villagers and of the central fibre of asbestos bodies (ABs) on tremolite in Turks with environmental exposure to tremolite according to transmission electron microscopy

FBs on erionite Erionite TiO2 Others ABs on tremolite
Fibres analysed (n)892162956294
Diameter (μm)
 GM (GSD, 95% CI)0.37 (1.7, 0.33 to 0.42)0.35 (2.1, 0.32 to 0.39)0.25 (1.8, 0.20 to 0.31)0.16 (2.3, 0.13 to 0.20)0.31 (2.1, 0.29 to 0.35)
 Range0.06–1.10.04–1.800.06–1.200.02–1.30.03–1.65
Length (μm)
 GM (GSD, 95% CI)37.5 (1.5, 34.4 to 41.0)5.6 (2.2, 5.0 to 6.2)2.0 (1.5, 1.7 to 2.3)2.1 (1.8, 1.8 to 2.5)33.6 (1.6, 31.8 to 35.2)
 Range14.0–105.01.0–65.01.1–8.01.0–8.010.5–140.0
Aspect ratio
 GM (GSD, 95% CI)105 (1.8, 92 to 119)15.8 (4.0, 14.2 to 17.7)8.1 (1.7, 6.7 to 9.8)13.4 (2.2, 10.9 to 16.6)105 (2.0, 98 to 115)
 Range30–4803.6–1433.8–253.5–15015–900