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. Author manuscript; available in PMC: 2011 Jul 18.
Published in final edited form as: Osteoarthritis Cartilage. 2008 Nov 12;17(6):761–765. doi: 10.1016/j.joca.2008.11.001

Table I.

Average baseline (BL), average JSW loss, standard deviation of the loss, and SRM values for different KL grades

BL (mm) Loss (mm) SD (mm) SRM
(a) KL = 0 (N = 93)
mJSW 3.60 0.22 0.52 0.43
JSW(x = 0.125) 4.46 0.16 0.60 0.27
JSW(x = 0.15) 4.50 0.15 0.52 0.28
JSW(x = 0.175) 4.57 0.11 0.46 0.25
JSW(x = 0.2) 4.71 0.12 0.51 0.24
JSW(x = 0.225) 4.96 0.16 0.52 0.30
JSW(x = 0.25) 5.30 0.20 0.51 0.40
JSW(x = 0.275) 5.69 0.19 0.57 0.34
(b) KL = 1 (N = 38)
mJSW 3.10 0.25 0.69 0.35
JSW(x = 0.125) 3.79 0.23 0.72 0.32
JSW(x = 0.15) 3.82 0.20 0.82 0.24
JSW(x = 0.175) 3.97 0.20 0.81 0.25
JSW(x = 0.2) 4.20 0.22 0.80 0.28
JSW(x = 0.225) 4.44 0.20 0.85 0.24
JSW(x = 0.25) 4.72 0.15 0.84 0.18
JSW(x = 0.275) 5.09 0.16 0.87 0.19
(c) KL = 2 (N = 13)
mJSW 3.58 0.51 0.59 0.86
JSW(x = 0.125) 4.40 0.47 0.77 0.61
JSW(x = 0.15) 4.35 0.40 0.66 0.61
JSW(x = 0.175) 4.42 0.46 0.64 0.72
JSW(x = 0.2) 4.54 0.48 0.65 0.74
JSW(x = 0.225) 4.83 0.60 0.74 0.81
JSW(x = 0.25) 5.15 0.53 0.85 0.63
JSW(x = 0.275) 5.56 0.45 0.77 0.58
(d) KL = 3 (N = 55)
mJSW 1.68 0.32 0.75 0.43
JSW(x = 0.125) 2.09 0.32 0.92 0.34
JSW(x = 0.15) 2.16 0.33 0.83 0.40
JSW(x = 0.175) 2.34 0.39 0.72 0.53
JSW(x = 0.2) 2.56 0.45 0.72 0.63
JSW(x = 0.225) 2.82 0.51 0.77 0.66
JSW(x = 0.25) 3.14 0.54 0.79 0.68
JSW(x = 0.275) 3.66 0.65 0.82 0.79
(e) KL = 4 (N = 18)
mJSW 0.40 0.09 0.30 0.29
JSW(x = 0.125) 0.65 −0.04 0.33 −0.12
JSW(x = 0.15) 0.64 −0.04 0.42 −0.09
JSW(x = 0.175) 0.74 0.09 0.37 0.25
JSW(x = 0.2) 0.86 0.20 0.40 0.49
JSW(x = 0.225) 0.97 0.36 0.40 0.90
JSW(x = 0.25) 1.14 0.45 0.46 0.97
JSW(x = 0.275) 1.37 0.51 0.62 0.81