Table 2: Number (N) and percentage (%) of patients diagnosed with EER (EER+) and without EER (EER) using three different parameters of pH monitoring analysis (NOR: number of refluxes, AET: acid exposure time, and RAI: reflux area index).

Parameter EER+ (N) EER+ (%) EER (N) EER (%)

NOR2935,805264,20
AET2328,405871,60
RAI2124,936075,07