Table 10

Disease Severity Scoring: Agreement between and within observers for 9 imaging disease characteristics for 10 patients. Each observer scored each case initially and then again approximately three weeks later.

    Imaging Dimension

    Observer 1 vs 21

    Observer 12

    Observer 23


1. Degeneration

0.70

0.72

0.85

2. Height Loss

0.44

0.49

0.63

3. Osteophytes

0.47

0.53

0.67

4. Herniation

0.28

0.61

0.41

5. Stenosis

0.44

0.37

0.56

6. Listhesis

0.54

0.64

0.83

7. Instability

0.38

-0.02

1.00

8. Scoliosis Magnitude

0.51

1.00

0.58

9. Kyphosis Magnitude

0.42

0.62

0.62


Mean

0.45

0.58

0.67


1 Kappa value for inter-observer agreement between Observer 1 and Observer 2.

2 Kappa value for intra-observer agreement for Observer 1.

3 Kappa value for intra-observer agreement for Observer 2.

Mirza et al. BMC Musculoskeletal Disorders 2006 7:53   doi:10.1186/1471-2474-7-53

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