From: Doppler ultrasound cardiac gating of intracranial flow at 7T
DUS | ECG | POX | |||
---|---|---|---|---|---|
False positive triggers | |||||
Range (median) | 0–28 (0) | 1–95 (15) | 0–273 (3) | ||
Mean ± SD | 5.3 ± 11 | 25 ± 31 | 47 ± 89 | ||
p = 0.031(*) | p = 0.078 (ns) | ||||
False negative triggers | |||||
Range (median) | 0–58 (16) | 0–111 (11) | 0–126 (7) | ||
Mean ± SD | 18 ± 19 | 22 ± 34 | 32 ± 50 | ||
p = 0.64 (ns) | p = 0.57 (ns) | ||||
Sensitivity (%) | |||||
Range (median) | 90–100 (97) | 79–100 (95) | 13–100 (99) | ||
Mean ± SD | 96 ± 3.5 | 93 ± 7.7 | 86 ± 28 | ||
p = 0.37 (ns) | p = 0.30 (ns) |