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Table 2 Follow-up outcomes

From: Comparison of lower limb lifting and squeeze exsanguination before tourniquet inflation during total knee arthroplasty

Parameters Group A Group B P value
Pre-tourniquet time(s) 40.7 ± 4.8 156.4 ± 10.7 < 0.001*
Tourniquet time(min) 48.2 ± 5.3 46.7 ± 5.1 0.312
Operation time(min) 71.6 ± 7.4 69.8 ± 8.2 0.668
Intraoperative blood loss(ml) 123.3 ± 22.1 114.7 ± 18.6 0.162
Postoperative drainage volume(ml) 281.6 ± 33.6 287.4 ± 31.7 0.771
Calculated blood loss(ml) 841.5 ± 118.3 816.3 ± 131.2 0.226
The time of achieving 90° flexion(days) 1.5 ± 0.3 1.6 ± 0.4 0.462
The time of achieving SLR(days) 1.9 ± 0.9 2.1 ± 1.1 0.172
HSS score 86.1 ± 14.3 88.2 ± 15.1 0.745
SF-36(PCS) 49.6 ± 9.6 50.3 ± 8.8 0.813
SF-36(MCS) 55.4 ± 10.3 53.1 ± 9.8 0.382
  1. HSS the hospital for special surgery, SLR straight leg raise, SF-36(PCS) 36-item short form survey (physical component summary), SF-36(MCS) 36-item short form survey (mental component summary); * indicates a significant difference