Table 3. RSI score in patients with acid and non-acid GERC {M [P25, P75]}.
| Questions | Non-acid GERC (n=17) | Acid GERC (n=28) | Z | P |
|---|---|---|---|---|
| Hoarseness or a problem with your voice | 0.00 (2.00) | 0.00 (1.00) | −0.599 | 0.549 |
| Sensation of something sticking in your throat or lump in your throat | 3.00 (1.00) | 2.50 (2.00) | −1.406 | 0.160 |
| Clearing your throat | 4.00 (1.00) | 2.00 (3.00) | −2.122 | 0.034 |
| Excess throat mucus or postnasal drip | 2.00 (2.00) | 1.50 (3.00) | −1.296 | 0.195 |
| Breathing difficulties | 2.00 (1.50) | 1.00 (2.00) | −2.017 | 0.044 |
| Coughing after you ate or after lying down | 3.00 (3.50) | 1.50 (2.00) | −1.786 | 0.074 |
| Distressing coughs m | 3.00 (1.50) | 2.50 (1.00) | −1.494 | 0.135 |
| Difficulty swallowing food, liquids, or pills | 3.00 (4.00) | 2.00 (3.75) | −0.673 | 0.501 |
| Heart burn, stomachache, chest pain | 0.00 (2.00) | 1.00 (3.00) | −1.197 | 0.231 |
| Total | 21.00 (7.0) | 16.00 (6.5) | −2.956 | 0.003 |
RSI, reflux symptom index; GERC, gastroesophageal reflux-related chronic cough.