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Table 1 The results of brake reaction times at preoperative and postoperative during three driving speed

From: Timeframe for return to driving for patients with minimally invasive knee arthroplasty is associated with knee performance on functional tests

  Preoperative 2 weeks 4 weeks
50 km/hr Gas-off time (s) 1.33(0.99/1.48) 1.36(0.70/1.66) 1.28(0.76/1.39)
Transition time (s) 0.30(0.15/0.64) 0.36(0.19/0.71) 0.29(0.19/0.49)*
Pressing time (s) 0.23(0.12/0.44) 0.26(0.16/0.44) 0.22(0.15/0.33)
Total braking time (s) 1.93(1.26/2.52) 2.28(1.04/2.66) 1.86(1.10/2.19)
70 km/hr Gas-off time (s) 1.26(0.85/1.58) 1.10(0.81/1.67) 0.93(0.88/1.66)
Transition time (s) 0.16(0.14/0.42) 0.29(0.15/0.40) 0.23(0.14/0.40)
Pressing time (s) 0.19(0.08/0.48) 0.26(0.15/0.35) 0.20(0.14/0.37)
Total braking time (s) 2.02(1.11/2.23) 1.89(1.22/2.19) 1.77(1.21/2.18)
90 km/hr Gas-off time (s) 1.50(1.33/1.60) 1.62(1.03/1.75) 1.28(0.76/1.39)
Transition time (s) 0.17(0.13/0.36) 0.29(0.19/0.46)† 0.28(0.18/0.38)
Pressing time (s) 0.11(0.08/0.38) 0.19(0.17/0.32) 0.26(0.15/0.45)†
Total braking time (s) 1.92(1.57/2.25) 2.02(1.48/2.48) 2.12(1.43/2.27)
  1. †means the significant difference that compared to preoperative.
  2. *means the significant difference that compared to 2 weeks postoperative.