TABLE 3.
Differences Between Patients With No Change in Previous Frequent Snoring Symptoms and Those Whose Snoring Frequency Increased After World Trade Center Exposure
| Variable | Frequent Snoring Before (n = 14) | Increase in Frequency After (n = 26) | P |
|---|---|---|---|
| Age (yr) | 46.6 ± 7.1 | 47.0 ± 7.8 | 0.87 |
| Height (in) | 69.2 ± 4.1 | 70.7 ± 3.2 | 0.24 |
| Weight (kg) | 108.1 ± 17.0 | 100.9 ± 17.6 | 0.21 |
| Body mass index (kg/m2) | 35.2 ± 6.2 | 31.2 ± 4.7 | 0.047 |
| Weight gain (3 yr) (kg) | 6.8 ± 6.6 | 3.4 ± 7.0 | 0.15 |
| Snoring duration (yr) | 15.1 ± 9.3 | 8.3 ± 6.1 | 0.024 |
| Epworth Sleepiness Scale | 7.6 ± 5.3 | 10.6 ± 5.4 | 0.11 |
| Apnea + Hypopnea Index | 28.3 ± 25.2 | 21.6 ± 18.0 | 0.39 |
| REM Apnea + Hypopnea Index | 29.5 ± 37.2 | 29.6 ± 21.2 | 0.99 |
| Supine Apnea + Hypopnea Index | 40.3 ± 33.0 | 34.4 ± 28.3 | 0.62 |
| FEF50/FIF50 | 1.10 ± 0.54 | 1.11 ± 0.74 | 0.97 |
| FEV1/FVC | 0.77 ± 0.11 | 0.79 ± 0.06 | 0.81 |
| Witnessed apneas | 50.0% | 61.5% | 0.52 |
| Choking and gasping at night | 71.4% | 53.9% | 0.33 |
| Headaches | 64.3% | 65.4% | 1.00 |
| Difficulty with memory, concentration, and mood | 64.3% | 80.8% | 0.45 |
| Sleep-disordered breathing | 0.89 | ||
| Absent | 0% | 3.9% | |
| Mild | 50.0% | 46.2% | |
| Moderate | 14.3% | 23.1% | |
| Severe | 35.7% | 26.9% | |
| Sleep quality | 0.095 | ||
| Poor | 28.6% | 65.4% | |
| Fair | 42.9% | 19.2% | |
| Good | 28.6% | 15.4% | |
| Smoker (regular) | 0% | 11.5% | 0.30 |
| Alcohol | 0.80 | ||
| None | 21.4% | 11.5% | |
| Occasionally | 57.1% | 61.5% | |
| At least once a week | 21.4% | 26.9% |
± values are mean ± 1 SD.
FEF, forced expiratory flow; FEV1, forced expiratory volume in the first second; FIF, forced inspiratory flow; FVC, forced vital capacity; REM, rapid eye movement sleep.