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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: Magn Reson Med. 2019 Dec 20;84(2):634–645. doi: 10.1002/mrm.28140

Table 2.

Determination of nulling points by fitting IR-UTE data with multiple TIs and with five TIs.

TR (ms) Nulling point
fitting with
multiple TIs
(ms)
Nulling point
fitting with five
TIs
ICC P value
500 142.1 ± 12.0 141.3 ± 11.6 0.999 (0.998, 1.000) < 0.001
400 123.8 ± 8.6 123.4 ± 8.9 0.998 (0.994, 0.999) < 0.001
300 102.4 ± 5.9 101.3 ± 6.2 0.993 (0.974, 0.998) < 0.001
250 89.8 ± 5.2 88.9 ± 5.3 0.993 (0.977, 0.998) < 0.001
200 74.8 ± 4.2 74.8 ± 4.2 0.992 (0.973, 0.998) < 0.001
150 59.3 ± 3.7 59.2 ± 3.9 0.999 (0.995, 1.000) < 0.001

Note: Data in means ± standard deviation. Data in parentheses are the 95% confidence interval.

P < 0.05 indicates a significant difference.

ICC = intraclass correlation coefficient, TI = inversion time, TR = time of repetition.