Table 1 Demographics and operative details (mean ± SD or %)

Age

65.4 ± 7.8 years (minimum: 41, maximum: 78; 9 below 50)

Gender

63% female

BMI

29.0 ± 4.3 kg/m2

Primary diagnosis

100% OA

Comorbidities

3% Back pain

5.5% Cancer

12% Cardiovascular

10.5% Diabetes

7% Endocrine/Metabolic

6% Gastrointestinal

17% Hypercholesteremia

35% Hypertension

9.5% Respiratory

5% Vascular

Surgery time (minutes)

56.0 ± 13.1

Patella

24% Resurfaced (42% CRRP, 0% PSRP)

Length of stay (days)

2.8 ± 1.2 days