Table 1.
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.