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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Pediatr Radiol. 2021 Aug 19;51(13):2521–2529. doi: 10.1007/s00247-021-05156-y

Table 2.

Interobserver agreement for SNR and CNR measurements of two readers

Interobserver agreement
SNR Unenhanced 0.974 (95% CI 0.915–0.992)
Gd 0.945 (95% CI 0.819–0.983)
Fe 1h 0.983 95% CI (0.902–0.997)
Fe 24h 0.997 (95% CI 0.988–0.999)
CNR Unenhanced 0.951 (95% CI 0.838–0.985)
Gd 0.965 (95% CI 0.887–0.989)
Fe 1h 0.914 (95% CI 0.499–0.985)
Fe 24h 0.995 (95% CI 0.983–0.999)

SNR signal to noise ratio, CNR contrast to noise ratio, CI confidence interval, Gd gadolinium-enhanaced MRI, Fe ferumoxytol-enhanced MRI