Project number | Exposure type | Smoke type μg/l PM | Nasal reserve cell hyperplasia | Nasal squamous metaplasia | Upper vocal cord hyperplasia | Larynx ventral depression thick | Trachea reserve cell hyperplasia |
---|---|---|---|---|---|---|---|
−, not observed; +, observed; ±, observed in 10% or fewer of subjects; empty cell: no data. | |||||||
*½: indicates half day exposure (210 minutes instead of 420 minutes). | |||||||
311467,68 | Head only | Sham | − | − | + | − | ± |
SS 17 | + | + | + | + | + | ||
SS 17 ½* | + | + | + | − | + | ||
SS 5 | + | − | + | − | + | ||
SS 5 ½* | + | − | + | − | + | ||
SS 2 | − | − | − | − | + | ||
SS 2 ½* | − | − | − | − | − | ||
312569 | Nose only | Sham | − | − | − | − | − |
SS 6 | − | − | + | + | + | ||
SS 2 | − | − | − | + | − | ||
312334,71–73 | Whole body | Sham | − | − | − | − | − |
SS 19 | + | − | − | − | ± | ||
SS 60 | + | + | − | + | ± |