Table 2: Population demographic information.

%

Age (yrs)
 60–7420213.3%
 75+34563.1%
 Mean78.0 (9.9)
Gender
 Male18433.6%
 Female363 66.4%
ASA score
 25810.6%
 337167.8%
 411821.6%
Average BMI (kg/m2)24.7 (6.1)