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. 2021 Apr 29;11:9268. doi: 10.1038/s41598-021-87063-8

Table 1.

Timings and results for untriggered, end-systole and diastasis triggered measurements. Data from the selected voxels of all volunteers are pooled and given as mean ± SD.

Untriggered End-systole Diastasis Meana
Heart rate (bpm) 58 ± 9 59 ± 10 60 ± 9 60 ± 9
TR,eff (ms) 2138 ± 217 2114 ± 358 2061 ± 318 2069 ± 303
Total scan time (min) 12.7 ± 1.5 14.1 ± 1.3 13.9 ± 1.2 13.6 ± 1.5
Trigger delay (ms) N/A 248 ± 26 682 ± 89 N/A
Trigger delay (%) N/A 24 ± 5 68 ± 9 N/A
SNR (PCr) 23.0 ± 7.5 27.5 ± 9.6* 20.9 ± 5.8† 23.0 ± 7.2
PCr/ATP Value 1.79 ± 0.25 1.72 ± 0.27 1.72 ± 0.33 1.75 ± 0.27
CRLB 0.22 ± 0.07 0.17 ± 0.06* 0.22 ± 0.06† 0.21 ± 0.07
Pi/PCr Value 0.14 ± 0.04 0.14 ± 0.05 0.15 ± 0.07 0.15 ± 0.05
CRLB 0.05 ± 0.01 0.05 ± 0.01 0.06 ± 0.01† 0.05 ± 0.02
pH Value 7.050 ± 0.085 7.047 ± 0.053 7.068 ± 0.053 7.057 ± 0.061
CRLB 0.031 ± 0.015 0.027 ± 0.011 0.035 ± 0.013† 0.031 ± 0.013

bpm beats per minute. aMean of all five acquired scans per volunteer. *Significantly different to untriggered (P<0.05).

Significant difference between end-systole and diastasis (P<0.05).