| |
Group A
|
Group B
|
Group C
|
|---|
|
Patients (M/F)
|
1/5
|
3/3
|
0/6
|
|
Operation time (min)
|
66.17 ± 11.62
|
66.83 ± 16.50
|
71.67 ± 13.44
|
|
Blood loss
| | | |
|
Total blood loss (mL)
|
243 ± 51.30
|
270.50 ± 66.11
|
252 ± 25.13
|
|
Intraoperative blood loss
|
105 ± 57.95
|
81.67 ± 57.92
|
99.17 ± 48.85
|
|
Hidden blood loss
|
121.50 ± 43.32
|
33 ± 25.44**
|
71.83 ± 54.66
|
|
Drainage volume (mL)
| |
159.17 ± 38.49#
|
77.5 ± 33.13
|
|
VAS
| | | |
|
6 h
|
2
|
2
|
2
|
|
12 h
|
1
|
1.3 ± 0.47
|
0.83 ± 0.37
|
|
24 h
|
0.17 ± 0.37
|
0.5 ± 0.76
|
0
|
|
Complications
| | | |
|
Arthrocele (n)
|
4
|
1**
|
1**
|
|
Ecchymosis (n)
|
2
|
0
|
1
|
|
ROM (postoperative)
| | | |
|
2 days
|
27.5° ± 5.59°
|
32.5° ± 5.59°
|
32.5° ± 5.59°
|
|
3 days
|
55° ± 7.07°
|
66.67° ± 9.43°*
|
63.33° ± 4.71°*
|
|
HSS knee score
|
83 ± 7
|
82 ± 5
|
85 ± 5
|
- *P < 0.05 vs. group A; **P < 0.01 vs. group A; #P < 0.05 group B vs. group C. Group A, no placement of drainage tube; group B, negative pressure drainage; group C, 4 h clamping of drainage.
