Parameters | Controls (n = 35) | Non-GERD (n = 128) | GERD (n = 122) | P |
---|---|---|---|---|
Prevalence of positive samples (%) | 29.5 | 32.3 | 62.0 | <0.001 |
Proportion of subjects having at least one positive samples (%) | 42.9 | 53.1 | 91.0 | <0.001 |
Proportion of subjects having all three positive samples (%) | 11.4 | 10.9 | 13.1 | 0.864 |
Concentrations of salivary pepsin (ng/mL), median (IQR) | 0 (0–25) | 18.5 (0–59.75) | 153.3 (70–365.8) | <0.001 |