Table 1.

Patient characteristics

Age	(Mean ± SD)
	56.8 ± 15.3
Gender	N (%)
Male	85 (41.7)
Female	119 (58.3)
ASA classification	N (%)
ASA 1	1 (0.5)
ASA 2	63 (31.7)
ASA 3	129 (64.8)
ASA 4	6 (3.0)

This table describes the demographics of the study population by age, gender, and American Society of Anesthesiologists (ASA) classification