Skip to main content

Table 7 Values of volume and thickness in harvested and unharvested patellar tendons – one acquisition, two examiners

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

Inter-rater reliability of analysis - 1 acquisition/ 1 day/ 2 examiners/ 2 analysis per patellar tendon
23 Participants
Areas of interest Harvested patellar tendons (n = 20) Unharvested patellar tendons (n = 19)
Volume (cm3) Thickness (cm) Volume (cm3) Thickness (cm)
Examiner 1 (C.S.P.)
 Patellar Apex 1.5 ± 0.3 NA 0.9 ± 0.2 NA
 Proximal tendon 1.4 ± 0.4 NA 0.9 ± 0.1 NA
 Mid Tendon 1.3 ± 0.3 0.7 ± 0.2 0.9 ± 0.1 0.4 ± 0.1
 Distal Tendon 1.3 ± 0.3 NA 0.8 ± 0.2 NA
Examiner 2 (R.C.G.S.)
 Patellar Apex 1.2 ± 0.3 NA 0.9 ± 0.2 NA
 Proximal tendon 1.3 ± 0.3 NA 0.9 ± 0.2 NA
 Mid Tendon 1.4 ± 0.3 0.7 ± 0.2 1.0 ± 0.3 0.4 ± 0.0
 Distal Tendon 1.4 ± 0.2 NA 0.9 ± 0.2 NA
ICC (95% CI) 0.59 (0.42, −0.71) 0.85 (0.66, 0.94) 0.30 (0.08, −0.49) 0.24 (− 0.20, 0.62)
SEM (ICC) % GrM 16.4 13.9 14.6 13.5
SEM (ICC) 0.2 0.1 0.1 0.1
  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