Age (yr)
 
Mean (SD)

59.5 (9.21)

Sex, n (%)
 
Male

78 (48)

Ethnicity, n (%)
 
Hispanic/Latino

1 (<1)

NonHispanic/Latino

162 (>99)

Race, n (%)
 
White

145 (89)

African American/African heritage

16 (10)

African American/African heritage and White

1 (<1)

American Indian or Alaskan native

1 (<1)

Height (cm)
  
Mean (SD)

170.2 (9.20)

Weight (kg)
  
Mean (SD)

79.55 (17.539)

Body mass index (kg/m^{2})
  
Mean (SD)

27.36 (5.115)

b.

Parameter

Total N = 163

Presalbutamol

Postsalbutamol

% predicted FEV_{1} (%)
  
n

162

163

Mean (SD)

47.0 (12.84)

51.1 (10.16)

FEV_{1}/FVC (%)
  
n

162

163

Mean (SD)

51.1 (11.65)

52.3 (10.62)

FEV_{1} (L)
  
n

162

163

Mean (SD)

1.429 (0.5179)

1.554 (0.4727)

FVC (L)
  
n

162

163

Mean (SD)

2.803 (0.7948)

3.001 (0.8073)

Reversibility to salbutamol (%)
 
n

162

Mean (SD)

11.8 (15.31)

Reversibility to salbutamol (mL)
 
n

162

Mean (SD)

124.2 (212.56)

Mean baseline FEV_{1} (L)
 
n

163

Mean (SD)

1.408 (0.5282)

Mean baseline FVC (L)
 
n

163

Mean (SD)

2.763 (0.7920)
