Table 1.

Patient demographic characteristics (n = 257)^*

Characteristic	No. (%)
Age, yr
65–69	102 (39.7)
70–75	96 (37.3)
76–80	59 (22.9)
Male sex	134 (52.1)
BMI (n = 246)
Underweight	9 (3.5)
Healthy	74 (28.8)
Overweight	91 (35.4)
Class I obesity	44 (17.1)
Class II obesity	16 (6.2)
Class III obesity	12 (4.7)

BMI = body mass index.

^*Unless otherwise indicated.