Table 1. Pre-operative patient demographics.

ASA: American Society of Anesthesiologists 

Patient demographics	N=50
Mean age (Years)	68.5
Gender (Male/Female)	13/ 37
Body mass index, mean, range (Kg/m2)	29.3 (20.2 -37.5)
Side (Right/Left)	28/ 22
ASA grade, mode, range	2 (1–3)