Orthopaedics total knee replacement, descriptives for years 2010–2014
| Characteristic | 2010–2011 | 2012–2013 | 2014 | Sig P |
| Baseline | Intervention | Postintervention | Baseline–post | |
| Surgeries (n) | 860 | 1071 | 663 | |
| Patient | ||||
| Female (%) | 535 (62) | 691 (65) | 372 (56) | 0.016 |
| Age, mean (SD) | 67 (10) | 67 (10) | 67 (9) | 0.77 |
| Hypertension (%) | 518 (60) | 591 (55) | 345 (52) | 0.001 |
| Diabetes (%) | 174 (20) | 179 (17) | 103 (16) | 0.018 |
| Hypercholesterolaemia (%) | 383 (45) | 376 (35) | 169 (25) | <0.001 |
| BMI, mean (SD) | 33 (8) | 32 (7) | 32 (7) | 0.013 |
| BMI≥30 (%) | 510 (59) | 609 (57) | 362 (55) | 0.07 |
| BMI≥40 (%) | 151 (18) | 151 (14) | 83 (13) | 0.007 |
| Metabolic syndrome* (%) | 72 (8) | 58 (5) | 19 (3) | <0.001 |
*Metabolic syndrome is defined by BMI≥30 and diagnosis of hypertension, diabetes and high cholesterol.
BMI, body mass index; Sig, significant.