Bronchial Responsiveness in Patients with Restrictive Spirometry

Table 1

Demographics of the 21 patients with reversible restrictive spirometry.

Age (years)*	65 ± 9
Gender (M/F)	15/6
Race
Caucasian	18 (86%)
African-American	3 (14%)
Smokers (𝑛, %)
Current	7 (33%)
Ex-smoker	8 (38%)
Never	6 (29%)
Pack-year*	51 ± 29
Body mass index (kg/m^2)*	31 ± 7

∗Data expressed as mean ± SD.