Table 2.

Reproducibility agreement between MRI and CT for the measurement of syrinx width (total n examined = 17)

	Bias	P‐value	95% LOA (lower to upper limit)	SD
Interobserver intramodality intraplanar agreement
Midsagittal T1WSE	−0.09	<0.01	−0.25 to 0.06	0.08
Transverse T1WSE	−0.052	0.029	−0.23 to 0.13	0.09
Transverse CT	−0.041	0.16	−0.27 to 0.19	0.12
Midsagittal CT	−0.063	0.046	−0.30 to 0.18	0.12
Interobserver intramodality interplanar agreement
Midsagittal & transverse T1WSE	−0.043	<0.01	−0.53 to 0.45	0.25
Midsagittal & transverse CT	−0.0043	0.62	−0.52 to 0.51	0.26
Interobserver intermodality intraplanar agreement
Midsagittal T1WSE & CT	−0.049	0.002	−0.55 to 0.45	0.26
Transverse T1WSE & CT	−0.01	0.61	−0.55 to 0.53	0.28

MRI, magnetic resonance imaging; CT, computed tomography; T1WSE, T1‐weighted spin echo; SD, standard deviation; LOA, limits of agreement.