Figure 3

ROC of esophageal HRM metrics and MNBI in predicting GERD susceptibility. (A) ROC of EGJ-CIG, EGJ-CIA, adEGJ-CIG and adEGJ-CIA in predicting GERD susceptibility. AUC of EGJ-CIG: 0.61 (95% CI 0.54–0.68). AUC of EGJ-CIA: 0.54 (95% CI 0.47–0.61). AUC of adEGJ-CIG: 0.68 (95% CI 0.62–0.74). AUC of adEGJ-CIA: 0.65 (95% CI 0.59–0.72). (B) ROC of EGJ-RP, EGJ-RI, adEGJ-RP and adEGJ-RI in predicting GERD susceptibility. AUC of EGJ-RP: 0.58 (95% CI 0.51–0.65). AUC of EGJ-RI: 0.59 (95% CI 0.53–0.66). AUC of adEGJ-RP: 0.67 (95% CI 0.60–0.73). AUC of adEGJ-RI: 0.67 (95% CI 0.61–0.74). (C) ROC of MNBIZ5, MNBIZ6, adMNBIZ5 and adMNBIZ6 in predicting GERD susceptibility. AUC of MNBIZ5: 0.87 (95% CI 0.83–0.92). AUC of MNBIZ6: 0.90 (95% CI 0.86–0.94). AUC of adMNBIZ5: 0.92 (95% CI 0.88–0.95). AUC of adMNBIZ6: 0.93 (95% CI 0.90–0.96). EGJ-CIG EGJ contractile integral (EGJ-CI) by the reference to intra-gastric pressure, EGJ-CIA EGJ-CI by the reference to atmospheric pressure, adEGJ-CIG EGJ-CIG adjusted with BMI, adEGJ-CIA EGJ-CIA adjusted with BMI, MNBIZ5 mean nocturnal baseline impedance channel 5, MNBIZ6 mean nocturnal baseline impedance channel 6, adMNBIZ5 MNBIZ5 adjusted with BMI, adMNBIZ6 MNBIZ6 adjusted with BMI, AUC area under curve, 95% CI 95% confidence interval.