Research Article

Development and Validation of a Multiparametric Semiquantitative Scoring System for the Histopathological Assessment of Ischaemia Severity in Skeletal Muscle

Table 2

Kendall’s W analysis reflecting interrater reliability assessment of histopathological features between three appraisers.

Histopathological parameters% complete agreements (95% CI)% agreement between 2 appraisals (95% CI)% disagreement >2 scores (95% CI)Kendall’s WP value

Inflammation44.3 (32.4, 56.6)97.1 (90.1, 99.7)5.7 (1.6, 14.0)0.923≤0.001
Fibrosis51.4 (39.2, 63.6)100 (94.9, 100)0.0 (0.0, 5.1)0.942≤0.001
Necrosis58.6 (46.2, 70.2)98.6 (92.3, 100)7.1 (2.3, 15.9)0.771≤0.001
Degeneration/regeneration47.1 (35.1, 59.5)94.3 (86.0, 98.4)7.1 (2.3, 15.9)0.863≤0.001
Adipocyte infiltration41.4 (29.8, 53.83)98.6 (92.3, 100)5.7 (1.6, 14.0)0.914≤0.001

CI: confidence interval; W: Kendall’s coefficient of concordance; all appraisers’ assessments agree with each other. values were calculated based on Kendall’s W scores from complete agreements.