The Construct Validity and Reliability of an Assessment Tool for Competency in Cochlear Implant Surgery

Table 2

Interrater agreement for task-based checklist.

Items	Intraclass correlation coefficient (ICC)	95% CI	𝑃 value
Left slightly overhanging superiorly, posteriorly, and inferiorly to help retain and control the electrode cable	0.86	0.66 to 0.94	<0.001
Thin posterior EAC cortex maximally	0.69	0.31 to 0.86	0.003
Preserve a layer of bone overlying the facial nerve	0.85	0.68 to 0.93	<0.001
Remove bone on the anterior medial surface of the fallopian canal just below the pyramidal process	0.74	0.44 to 0.88	<0.001
Preserve a layer of bone overlying the chorda tympani	0.84	0.66 to 0.93	<0.001
Facial recess is opened to visualize the round window niche	0.93	0.84 to 0.97	<0.001
Cochleostomy is drilled through the promontory just anterior and inferior to the round window membrane	0.79	0.53 to 0.91	0.037
The bony promontory overlying the round window niche has been removed	—		—
All variables	0.92	0.86 to 0.96	<0.001