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Table 4 Pulmonary function test results according to gender

From: Prevalence of smoking and chronic obstructive pulmonary disease amongst teachers working in Kocaeli, TurkeyPrevalenza di tabagismo e bronchite cronica ostruttiva tra gli insegnanti di Kocaeli, Turchia

  Total n (%) Female n (%) Male n (%) P
Normal 510 (78.3) 217 (74.3) 293 (81.7) 0.001
Obstruction 16 (2.5) 5 (1.7) 11 (3) 0.4
Restriction 10 (1.5) 4 (1.4) 6 (1.7) 0.5
Small airway disease 115 (17.7) 66 (22.6) 49 (13.6) 0.1