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Table 5 Volume and thickness for harvested and unharvested tendons - two examiners taking two acquisitions on the same day

From: Reliability and methodology of quantitative assessment of harvested and unharvested patellar tendons of ACL injured athletes using ultrasound tissue characterization

Inter-rater reliability for acquisition and analysis - 2 examiners/ 2 acquisitions/ same day/ 2 analysis per tendon

6 Participants

Harvested (n = 11) and Unharvested (n = 10) patellar tendons

Areas of interest

Volume (cm3)

Thickness (cm)

Examiner1 (C.S.P.)

 Patellar Apex

1.1 ± 0.4

NA

 Proximal tendon

1.1 ± 0.4

NA

 Mid Tendon

1.0 ± 0.3

0.6 ± 0.3

 Distal Tendon

1.0 ± 0.4

NA

Examiner 2 (R.C.G.S.)

 Patellar Apex

0.9 ± 0.2

NA

 Proximal tendon

1.0 ± 0.2

NA

 Mid Tendon

1.0 ± 0.3

0.6 ± 0.2

 Distal Tendon

1.0 ± 0.3

NA

ICC (95% CI)

0.67 (0.52, −0.77)

0.97 (0.91, − 0.98)

SEM (ICC) % GrM

10.2

7.8

SEM (ICC)

0.1

0.05

  1. n = number of tendons assessed. Mean ± standard deviation
  2. ICC (95% CI) Intra-class coefficient of reliability (95% confidence interval), SEM % GrM Standard error of measurement as percentage of the grand mean, SEM Standard error of measurement