Table 2 Participant characteristics.
Characteristics | Description | N (%) or median (IQ) |
|---|---|---|
Age (years) | 67.7 (61.0, 74.0) | |
Sex | Female | 992 (54.0%) |
Insurance | Public | 844 (44.9%) |
Private health | 993 (54.1%) | |
Education (N = 1830) | No post-school | 880 (48.1%) |
Post school | 949 (51.9%) | |
BMI | 30 (26, 34) | |
Current smoker (N = 1828) | No | 1676 (91.7%) |
Yes | 152 (8.3%) | |
Comorbid Conditions | Cardiac | 460 (25.0%) |
Heart failure | 12 (0.7%) | |
History stroke | 111 (6.0%) | |
Hypercoagulability conditions: (N = 1818) | 18 (1%) | |
von Willebrand Disease | 1 | |
Factor V deficiency | 2 (0.1%) | |
Platelet dysfunction or low count | 8 (0.4%) | |
Other bleeding disorder (not specified) | 9 (0.5%) | |
Previous VTE (N = 1836) | 146 (8.0%) | |
Diabetes | 301 (16.4%) | |
Hypertension | 1115 (60.7%) | |
Hypercholesterolaemia | 689 (37.5%) | |
Renal | 59 (3.2%) | |
Liver | 48 (2.6%) | |
Any cancer (current) | 40 (2.2%) | |
Any cancer (history) (N = 1836) | 216 (11.8%) | |
Respiratory | 337 (18.3%) | |
COPD/emphysema | 65 (3.5%) | |
Anxiety/depression | 344 (18.7%) | |
Other mental health disorder | 22 (1.2%) | |
Gastro-intestinal reflux disorder | 476 (25.9%) | |
Sleep apnoea | 127 (6.9%) | |
Neurological | 53 (2.8%) | |
Musculoskeletal (N = 1873) | 881 (48.0%) | |
Other | 711 (38.7%) | |
Previous total joint replacement | Hip | 242 (13.2%) |
Knee | 304 (16.5%) | |
Preoperative | None | 58 (3.2%) |
Paracetamol | 1061 (57.8%) | |
Medications taken for osteoarthritis | Non-steroidal anti-inflammatories | 513 (27.9%) |
Opioids | 372 (20.3%) | |
Antidepressant/antiepileptics | 34 (1.8%) | |
Steroids | 6 (0.3%) | |
Preoperative cardiac | Clopidogrel | 64 (3.5%) |
medications | Warfarin | 68 (3.6%) |
Preoperative hormone | replacement therapy | 40 (2.2%) |
ASA score (N = 1798) | 1 or 2 | 1220 (67.9%) |
3 or 4 | 577 (32.1%) |
