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Table 3 Mean (SD) laxity indices separated according to self-reported knee instability score

From: Self-reported knee joint instability is related to passive mechanical stiffness in medial knee osteoarthritis

Variable Self-reported knee instability score
  0 (n = 0) 1 (n = 10) 2 (n = 14) 3 (n = 20) 4 (n = 8) 5 (n = 21)
Valgus laxity (°) - 10.51 (2.90) 8.79 (1.95) 8.95 (2.70) 8.32 (2.90) 8.55 (3.63)
Varus laxity (°) - -10.56 (3.61) -9.07 (2.53) -9.00 (3.00) -9.03 (2.02) -8.5 (2.57)
Total laxity (°) - 21.07 (6.14) 17.86 (4.16) 17.95 (5.45) 17.35 (4.61) 17.05 (5.87)
Valgus stiffness (Nm/°) - 1.58 (0.40) 1.66 (0.19) 1.71 (0.37) 1.67 (0.49) 1.78 (0.50)
Varus stiffness (Nm/°) - 1.38 (0.45) 1.54 (0.33) 1.81 (0.52) 1.56 (0.34) 1.63 (0.51)
Mid-range stiffness (Nm/°) - 1.14 (0.41) 1.44 (0.56) 1.52 (0.58) 1.59 (0.48) 1.68 (0.69)