Biochemical Characterization of Early Osteoarthritis in the Ankle
Table 1
Correlation of items characterizing a cartilage lesion in the ankle with epidemiological data, function, and radiological parameters.
Age
Gender*
BMI
FFI
CFSS
AOFAS
KLS
AOSS
ICRS score
Corr. coefficient
0.2654
0.0995
0.2179
0.4382
−0.3780
−0.3105
0.4777
0.6557
Valid cases
49
49
49
49
49
49
49
38
Significance ()
0.0327
n.s.
n.s.
0.0008
0.0037
0.0149
0.0002
Defect size
Corr. coefficient
0.1199
0.0038
0.0928
0.2955
−0.3726
−0.2309
0.3733
0.7145
Valid cases
31
31
31
31
31
31
31
25
Significance ()
n.s.
n.s.
n.s.
n.s.
0.0195
n.s.
0.0193
Previous operation*
Corr. coefficient
0.2943
0.2306
0.1460
0.3493
−0.3107
−0.2413
0.3594
0.5547
Valid cases
49
49
49
49
49
49
49
38
Significance ()
0.0200
n.s.
n.s.
0.0069
0.0149
0.0475
0.006
0.0001
Duration of complains
Corr. coefficient
0.3925
0.25377
0.1813
0.2638
−0.2336
−0.2849
0.4368
0.3917
Valid cases
49
49
49
49
49
49
49
38
Significance ()
0.0026
0.0392
n.s.
0.0335
n.s.
0.0236
0.0008
0.0075
BMI: body mass index, FFI: foot function index, CFSS: calcaneal fractures scoring system according to Kerr, AOFAS: ankle-hindfoot scale, KLS: Kellgren Lawrence Score, AOSS: ankle osteoarthritis scoring system, corr. coefficient: correlation coefficient Spearman’s , -test.
