Table 1.

Demographics.

Sex	Male: 78, female: 175
Age (years)	61 (range 28–86)
Height (in)	65.9 (range: 51–76)
Weight (lbs)	181.4 (range: 107–301)
BMI (kg/m2)	29.3 (range: 19.0–43.9), not noted: 9
Current smoker	Yes: 47, no: 183, not noted: 23