Table 2.

Patient stratification according to the American Society of Anesthesiologist (ASA) physical status classification system.

ASA Score	Condition	Number of patients (%)
1	Healthy	0
2	Mild systemic disease	21 (25)
3	Severe systemic disease	56 (66.6)
4	Severe systemic disease which is a constant threat to life	7 (8.3)
5	A moribund person who is not expected to survive without the operation	0
6	A person declared brain-dead whose organs are being removed for donor purposes	0