A novel test for assessment of anterolateral rotatory instability of the knee: the tibial internal rotation test (TIR test)

Journal of Experimental Orthopaedics

Table 3 Rater-agreement of the TIR test and the pivot shift test

	N=	κ	SE	95% confidence interval	P value
intra-rater (κ_C)	13
30° of flexion		0.63	0.33	− 0.02-1.28	0.015
60° of flexion		0.63	0.33	−0.02-1.28	0.015
90° of flexion^a		–
all flexion angles combined		0.63	0.33	−0.02-1.28	0.015
pivot shift test (κ_w)		0.22	0.39	−0.55-0.99	n.s.
inter-rater (κ_F)	50
30° of flexion		0.29	0.14	0.02–0.57	0.038
60° of flexion		0.29	0.14	0.02–0.57	0.038
90° of flexion		−0.08	0.14	−0.35-0.20	n.s.
all flexion angles combined		0.29	0.14	0.02–0.57	0.038
pivot shift test		0.27	0.09	0.09–0.44	0.003
rater-device (κ_C)	26
30° of flexion		0.60	0.21	0.19–1.01	0.002
60° of flexion		0.60	0.21	0.19–1.01	0.002
90° of flexion		0.62	0.24	0.15–1.10	0.001
all flexion angles combined		0.57	0.19	0.20–0.94	0.003