Clinical study on improving the diagnostic accuracy of adult elbow joint cartilage injury by multisequence magnetic resonance imaging

Table 5 Concordance analysis between arthroscopic diagnosis and magnetic resonance imaging sequence diagnosis, n (%)

	No. of joints	No. of agreements	No. of inconsistencies	Kappa value	P value
Arthroscopy and T1WI	60	42 (70.00)	18 (30.00)	0.650	< 0.001
Arthroscopy and T2WI	60	45 (75.00)	15 (25.00)	0.720	< 0.001
Arthroscopy and PDWI	60	48 (80.00)	12 (20.00)	0.760	< 0.001
Arthroscopy and T2*WI	60	40 (66.67)	20 (33.33)	0.620	< 0.001
Arthroscopy and 3D-CISS	60	52 (86.67)	8 (13.33)	0.840	< 0.001
Arthroscopy was combined with all MRI sequences	60	55 (91.67)	5 (8.33)	0.890	< 0.001

T1WI: T1-weighted imaging; T2WI: T2-weighted imaging; PDWI: Proton density weighted imaging; T2*WI: T2*-weighted imaging; 3D-CISS: Three-dimensional water imaging sequence; MRI: Magnetic resonance imaging.