Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 2 Univariate analysis of variables
Variable | Statistic value | p′ value |
|---|---|---|
TKA vs THA | 0.19 | 0.66 |
Age | 1.90 | 0.31 |
Gender | 2.20 | 0.14 |
Height | 1.21 (z value) | 0.23 |
Weight | 0.13 (z value) | 0.90 |
BMI | 0.89 (z value) | 0.37 |
Surgeon grade (trainee vs consultant) | 0.10 | 0.75 |
Type of anaesthesia | 3.23 | 0.52 |
Type of DVT prophylaxis | 2.97 | 0.81 |
ASA grade | 1.29 | 0.73 |
Length of hospital stay | 5.53 | <0.00001 |
Transfusion | 17.32 | <0.012 |
Drop in haemoglobin (<4 vs >4 mg/dl) | 4.02 | 0.13 |