Table 1. Demographic information for the patient study.

Patient characteristics	Male	Female	Total
No.	16	4	20
Age (years)	63.8±11.7 [45–79]	66.0±3.9 [61–70]	64.2±10.6 [45–79]
BMI (kg/m2)	25.7±2.5 (19.23–30.12)	24.1±3.7 (21.10–29.34)	25.3±2.7 (19.23–30.12)
Cardiac defect	7	2	9

BMI, body mass index.