Group 1	Group 2	p value
Age (years)	68.8 (68.1–69.5)	70.1 (69.6–70.6)	0.009*
BMI (kg/m2)	29.4 (29.0–29.8)	32.0 (31.7–32.3)	<0.001*
AKSS pain	28.6 (27.2–30.0)	35.5 (34.6–36.4)	<0.001*
AKSS function	48.6 (47.3–49.9)	51.5 (50.7–52.3)	<0.001*
Tourniquet time (mins)	71.7 (70.0–73.1)	69.2 (68.3–70.1)	0.006*
Haemoglobin drop (g/dL) (unilateral TKR)	2.31 (2.23–2.41)	1.97 (1.88–2.06)	<0.001*
Percentage of patients receiving blood transfusion (unilateral TKR)	30.4%	4.1%	<0.001*
Length of stay (days) (unilateral TKR)	11.8 (11.3–12.4)	5.5 (5.4–5.7)	<0.001*

Summary of results (* p < 0.05)