Table 2.

Primary outcome measures assessing post-operative blood loss between intraarticular alone and combined intraarticular and intravenous groups

	Intraarticular alone (N=21)	Combined (N=29)	P-value
The number of patients who required blood transfusion.	0	0	-
Hemoglobin drop (g/dL)
Day 1	1.6±0.81	1.3±1.0	0.231
Day 3	2.1±1.0	2.2±1.1	0.838
Total estimated blood loss (mL)	884±489	877±324	0.958

All values are expressed in mean±SD unless specified.

“- “indicates that statistical analysis was not required.

WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index

EQ-5D: EuroQol-5 dimension