Table 3 Number of studies for potential factors
Endpoint | VTE* |
|---|---|
Total of the endpoint | 54 |
Risk factors | N † (%) |
Demographic factors | |
Age | 12 (22%) |
Gender | 13 (24%) |
BMI | 6 (11%) |
Race | 1 (2%) |
ASA physical status | 3 (6%) |
Clinical factors | |
Underlying diagnosis | 3 (6%) |
Comorbidity (Charlson index) | 3 (6%) |
Cardiovascular disease | 10 (19%) |
Respiratory disease | 2 (4%) |
Neurological disease | 1 (2%) |
Liver and kidney disease | 2 (4%) |
Metabolic disease | 7 (13%) |
Hematological disease | 2 (4%) |
Endocrine disease | 2 (4%) |
Malignancy | 4 (8%) |
Medication (hormone replacement/herbal) | 3 (6%) |
Laboratory indexes | |
Preoperative laboratory index | 2 (4%) |
Postoperative laboratory index | 2 (4%) |
Health care provider- related factors | |
Surgery type | 12 (22%) |
Surgical technic | 5 (9%) |
Operating time | 4 (8%) |
Anesthesia | 5 (9%) |
Bleeding | 1 (2%) |
Hospital volume | 2 (4%) |
Insurance type | 1 (2%) |
Thromboprophylaxes | |
Chemoprophylaxis | 28 (52%) |
Initiating and lasting of the prophylaxis | 4 (8%) |
Mechanical and physical prophylaxis | 5 (9%) |