TABLE I.

Results of Lung Function Testing for Current Coffee Processing Workers, September 2012

Spirometry (n = 69)
FEV1% predicted, mean (range)	97.6 (55.4–130.9)
FVC % predicted, mean (range)	99.9 (60.8–136.9)
FEV1/FVC %, mean (range)	80.5 (51.1–91.6)
FEF25–75% predicted, mean (range)	94.4 (27.1–163.0)
Abnormally low FEF25–75, n (%)	8 (11.6%)
Obstruction, n (%)	5 (7.2%)
Restriction, n (%)	2 (2.9%)

FEV1, forced expiratory volume in one second; FVC, forced vital capacity; FEF25-75, forced expiratory flow between 25% and 75% of exhaled volume (forced mid-expiratory flow).