Table 1.

Patient demographics.

	Platelet gel (135)	Nonplatelet gel (133)	P value
Average age (range)	67.5 yrs (48–92)	68.7 yrs (38–93)	0.33
Sex	49 M 86 F	43 M 90 F	0.58
Avg Preop KSS (range)	79.3 (68–88)	78.9 (61–86)	0.47
Surgical side	R 83 L 52	R 69 L 64	0.14
Ave Preop Hgb (range)	13.6 (10.1–17.1)	13.6 (10.3–18)	0.76