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Table 2 Summary of the trigger event results

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)