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Table 1 The intra-rater reliability and inter-rater reliability of the manual and the matlab method

From: Reliability of two different measuring techniques with computer tomography for penetration and distribution of cement in the proximal tibia after total knee arthroplasty

 

Manual: Intra-rater reliabilitya

ICC

(95% CI)

Manual: Inter-rater reliabilityb

ICC

(95% CI)

Inter-method reliabilitya

ICC

(95% CI)

Matlab: Intra-rater reliabilitya

ICC

(95% CI)

Matlab: Inter-rater reliabilityb

ICC

(95% CI)

Cement % at 1 mm

0.26

(0.13–0.39)

0.36

(0.23–0.47)

0.24

(0.11–0.37)

0.99

(0.98–0.99)

0.99

(0.98–0.99)

Cement % at 3 mm

0.35

(0.22–0.47)

0.52

(0.42–0.62)

0.22

(0.09–0.35)

0.99

(0.99–0.99)

0.99

(0.99–0.99)

Cement % at 5 mm

0.37

(0.25–0.49)

0.22

(0.08–0.35)

0.19

(0.06–0.32)

0.98

(0.98–0.98)

0.99

(0.98–0.99)

  1. aObserver 1
  2. bObserver 1 (first measurement) vs. Observer 2
  3. ICC = Intraclass Correlation Coefficient
  4. CI Confidence Interval