Prospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Aug 28, 2017; 23(32): 5954-5961
Published online Aug 28, 2017. doi: 10.3748/wjg.v23.i32.5954
Table 3 Thirty days of proton pump inhibitors medication, different cut-off points 2‰, 2.5‰, 3‰, sampling time 30 min
Cut-offSensitivitySpecificityPPVNPVAccuracy
2‰92.45%97.96%98.00%92.31%95.10%
2.5‰92.45%97.96%98.00%92.31%95.10%
3‰86.79%97.96%97.87%87.27%92.16%