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Table 1 Thickness of the hyaline cartilage both in the central force-bearing and the peripheral portion of the metacarpal heads both in the joints presenting with osteophytes and the contralateral corresponding ones without osteophytes

From: Is thickened hyaline cartilage on ultrasound a sign of osteoarthritis? A within-person, between-joint pilot study

 

Affected side – CR evidence of osteophytes and no JSN

Unaffected side – CR evidence of neither osteophytes nor JSN

Side-by-side comparison

CR KLS score

US SQ cartilage score20

HCT in the central portion

HCT in the peripheral portion

HCT within-difference

CR KLS score

US SQ cartilage score20

HCT in the central portion

HCT in the peripheral portion

HCT within-difference

HCT between-difference – central portion

HCT between-difference – peripheral portion

Pt#1

1

0

0.89

1.06

0.17

0

0

0.96

0.94

0.02

-0.07

0.12

Pt#2

1

0

0.70

0.85

0.15

0

0

0.62

0.65

0.03

0.08

0.20

Pt#2

2

1

0.34

0.47

0.13

0

1

0.44

0.42

0.02

-0.1

0.05

Pt#3

1

0

0.62

0.84

0.22

0

0

0.68

0.66

0.02

-0.06

0.18

Pt#3

1

1

0.59

0.79

0.20

0

0

0.71

0.70

0.01

-0.12

0.09

Pt#4

1

0

0.79

1.00

0.21

0

0

0.74

0.73

0.01

0.05

0.27

Pt#4

2

0

0.62

0.81

0.19

0

1

0.62

0.64

0.02

0

0.17

Pt#5

1

1

0.68

0.79

0.11

0

0

0.67

0.68

0.01

0.01

0.11

Pt#5

1

0

0.63

0.73

0.10

0

1

0.66

0.64

0.02

-0.03

0.09

Pt#5

2

1

0.59

0.71

0.12

0

0

0.62

0.60

0.02

-0.03

0.11

Pt#6

1

1

0.61

0.69

0.08

0

0

0.60

0.63

0.03

0.01

0.06

Pt#6

1

0

0.65

0.79

0.14

0

0

0.66

0.65

0.01

-0.01

0.14

Pt#7

1

1

0.68

0.79

0.11

0

1

0.67

0.68

0.01

0.01

0.11

Pt#8

1

1

0.68

0.79

0.11

0

0

0.67

0.68

0.01

0.01

0.11

Pt#9

1

0

0.64

0.73

0.09

0

0

0.61

0.63

0.02

0.03

0.10

Pt#10

1

0

0.70

0.80

0.10

0

0

0.68

0.66

-0.02

0.02

0.14

Pt#10

1

1

0.68

0.77

0.09

0

0

0.67

0.68

0.01

0.01

0.09

Pt#10

1

0

0.66

0.76

0.10

0

0

0.62

0.64

0.02

0.04

0.12

Pt#11

1

0

0.65

0.76

0.11

0

0

0.63

0.65

0.02

0.02

0.11

Pt#12

1

1

0.63

0.71

0.08

0

1

0.65

0.65

0

-0.02

0.06

Pt#13

1

0

0.59

0.67

0.08

0

0

0.62

0.61

-0.01

-0.03

0.06

Pt#14

1

1

0.71

0.8

0.09

0

1

0.69

0.70

0.01

0.02

0.10

Pt#14

1

1

0.65

0.75

0.10

0

0

0.64

0.67

0.03

0.01

0.08

Mean value

/

/

0.65

0.78

0.13

/

/

0.66

0.66

0.01

-0.01

0.12

  1. Legend. CR: conventional radiography HCT: hyaline cartilage thickness, JSN: joint space narrowing, KLS: Kellgren-Lawrence scoring system, MH: metacarpal head, SQ: semiquantitative, US: ultrasound. Differences are reported in mm