Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 5 Intra-rater (test–retest) reliability and inter-rater reliability (measured by intraclass correlation coefficient — ICC) for posterior tibial cortex (PTC) and tibial proximal anatomical axis (TPAA) methods obtained by repeated measurements in 50 random radiographs
From: Do ethnicity and gender influence posterior tibial slope?
PTC | TPAA | |
|---|---|---|
Intra-rater (rater 1) | 0.67 | 0.79 |
Intra-rater (rater 2) | 0.89 | 0.93 |
Inter-rater (among 3 raters) | 0.81 | 0.88 |