Table 1 Comparison of hidden blood loss under different factors (X±s)
Variable | Number of cases | Hidden blood loss | t/F | P |
|---|---|---|---|---|
Gender | ||||
Male | 57 | 529.28±193.17 | ||
Female | 61 | 506.48±190.79 | 0.648 | 0.518 |
Age (years) | ||||
≥60 | 87 | 531.49±188.37 | ||
<60 | 31 | 413.98±188.98 | 2.190 | 0.030 |
Time of the operation | ||||
<3 h | 78 | 511.37±188.37 | ||
40 | 529.58±200.87 | −0.487 | 0.627 | |
Fracture type | ||||
Stable | 58 | 437.97±164.04 | ||
Unstable | 60 | 536.84±163.26 | −3.059 | 0.003 |
Anaesthesia | ||||
General anaesthesia | 47 | 596.20±177.26 | ||
Intraspinal anaesthesia | 71 | 465.48±183.64 | −3.838 | 0.000 |
Hypertension | ||||
Yes | 60 | 530.90±194.70 | ||
No | 58 | 503.74±188.75 | 0.769 | 0.443 |
Diabetes | ||||
Yes | 57 | 527.35±202.12 | ||
No | 61 | 508.39±182.16 | 0.536 | 0.593 |
Bone mineral density | ||||
Normal | 23 | 391.43±145.44 | ||
Osteopenia | 46 | 497.42±181.97 | ||
Osteoporosis | 49 | 595.63±185.44 | 10.895 | 0.000 |
Use of anticoagulants | ||||
Yes | 64 | 559.17±190.16 | ||
No | 54 | 468.22±182.68 | −2.635 | 0.010 |
BMI | ||||
≥28 | 46 | 500.39±178.38 | ||
<28 | 72 | 528.51±199.83 | −0.777 | 0.439 |