Table 2 Clinical and demographic data between the study groups. Continuous variables were presented as means (± SD).
Drainage (n = 20) | Non-drainage (n = 20) | p-value | |
|---|---|---|---|
Males/females | 9/11 | 8/12 | 0.75* |
Age (years) | 59.6 (± 10.8) | 62.1 (± 14) | 0.52** |
BMI (kg/m2) | 27.7 (± 5.6) | 26.9 (± 4.4) | 0.63** |
Operating time (minutes) | 148 (± 43.3) | 138.8 (± 43.9) | 0.51** |
Hospital stay (days) | 11.3 (± 3.6) | 12 (± 4.5) | 0.64** |
Total blood volume (Nadler’s formula17) (mL) | 4763.6 (± 946) | 4631.5 (± 899) | 0.65** |
APTT | 25.9 (± 4.9) | 25.3 (± 4.2) | 0.66** |
PT | 13.5 (± 1.2) | 13.4 (± 1.4) | 0.76** |
INR | 1.09 (± 0.08) | 1.09 (± 0.1) | 0.97** |
Fixation type | 0.26* | ||
Cemented | 3 | 6 | |
Uncemented | 17 | 14 | |