Table 4. Change of RSI score according to postoperative vocal cord palsy.
| RSI | Vocal cord palsy | P | |
|---|---|---|---|
| Yes (n=36) | No (n=115) | ||
| Total score | 13.61±9.38 | 8.37±6.75 | 0.003 |
| Hoarseness | 1.56±1.48 | 0.80±1.08 | 0.007 |
| Clearing your throat | 1.61±1.54 | 1.08±1.24 | 0.063 |
| Excess throat mucous or postnasal drip | 0.53±0.85 | 0.42±0.86 | 0.500 |
| Difficulty swallowing food, liquids or pills | 2.06±1.53 | 1.14±1.35 | 0.001 |
| Coughing after you ate or after lying down | 1.53±1.78 | 0.76±1.07 | 0.018 |
| Breathing difficulties or choking episodes | 1.47±1.34 | 1.01±1.12 | 0.041 |
| Troublesome or annoying cough | 1.44±1.63 | 0.65±1.09 | 0.009 |
| Sensations or something sticking in your throat | 1.72±1.60 | 1.17±1.24 | 0.061 |
| Heart burn, chest pain, indigestion, or stomach acid coming up | 1.69±0.35 | 1.36±1.36 | 0.194 |
Values are presented as mean ± standard deviation. RSI, reflux symptom index.