Table 2.

Patient Characteristics (non-continuous variables)

Variable	Categories	Percentage (%)
Gender	Male	21.9
	Female	78.1
No. of co-morbidities	0	29.8
	1–2	63.4
	≥3	6.84
ASA	Low risk (1–2)	77.5
	High risk (3–4)	22.5
Type of Surgery	Unilateral	41.3
	Bilateral	58.7
Transfusions	Received	25.1