Table 1.
Demographics and Clinical Characteristics
| Characteristics | Total (n = 97) | Laryngeal symptoms alone (n = 39) | Concurrent laryngeal and GERD symptoms (n = 58) | P-value |
|---|---|---|---|---|
| Age (yr) | 49.30 ± 13.48 | 46.62 ± 14.14 | 51.10 ± 12.82 | 0.109 |
| 20-40 | 25 (25.8%) | 15 (38.5%) | 10 (17.2%) | |
| 40-60 | 52 (53.6%) | 16 (41.3%) | 36 (62.1%) | |
| > 60 | 20 (20.6%) | 8 (20.5%) | 12 (20.7%) | |
| Female | 56 (57.7%) | 21 (53.8%) | 35 (60.3%) | 0.538 |
| BMI (kg/m2) | 22.13 ± 3.39 | 22.04 ± 3.48 | 22.20 ± 3.36 | 0.824 |
| Waist (cm) | 77.97 ± 9.79 | 77.22 ± 10.76 | 78.48 ± 9.15 | 0.535 |
| Smoking | 12 (12.4%) | 5 (12.8%) | 7 (12.1%) | > 0.999 |
| Drinking | 13 (13.4%) | 4 (10.3%) | 9 (15.5%) | 0.553 |
| RSI total score | 16.28 ± 6.86 | 15.65 ± 7.12 | 16.71 ± 6.72 | 0.456 |
| RSI total score ≥ 13 | 64 (66.0) | 24 (61.5) | 40 (67.0) | 0.515 |
| Hoarseness or other voice problemsa | 40 (41.2) | 15 (38.5) | 25 (43.1) | 0.679 |
| Clearing throata | 56 (57.7) | 21 (53.8) | 35 (60.3) | 0.538 |
| Excess throat mucus or postnasal dripa | 58 (59.8) | 27 (69.2) | 31 (53.4) | 0.143 |
| Difficulty swallowing food, liquid, or pillsa | 17 (17.5) | 6 (15.4) | 11 (19.0) | 0.788 |
| Coughing after eating or after lying downa | 18 (18.6) | 8 (20.5) | 10 (17.2) | 0.791 |
| Breathing difficulties or choking episodesa | 10 (10.3) | 5 (12.8) | 5 (8.6) | 0.517 |
| Troublesome or annoying cougha | 19 (16) | 7 (17.9) | 12 (20.7) | 0.799 |
| Sensations of something sticking in throat or lump in throata | 73 (75.3) | 26 (66.7) | 47 (81.0) | 0.150 |
| Heartburn, chest pain, indigestion, or stomach acid coming upa | 64 (66.0) | 13 (33.3) | 41 (70.7) | < 0.001 |
aScore ≥ 3 (moderate symptom) on the item.
Data are presented as mean ± SD or n (%).