TABLE 1.
Comparison of Demographics and Clinical Features Between the WTCMMTP and a Comparison Population of Men With Obstructive Sleep Apnea During the Same Referral Period
| Variable | WTCMMTP (n = 50) | Non-WTC (n = 50) | P |
|---|---|---|---|
| Age (yr) | 47.4 ± 7.31 | 45.3 ± 8.5 | 0.19 |
| Height (in) | 70.3 ± 3.3 | 70.1 ± 2.8 | 0.69 |
| Weight (kg) | 102.7 ± 16.3 | 104.7 ± 26.0 | 0.65 |
| Body mass index (kg/m2) | 32.2 ± 5.2 | 33.0 ± 7.9 | 0.57 |
| Weight gain (3 yr) (kg) | 4.5 ± 6.5 | 4.3 ± 10.4 | 0.90 |
| Snoring duration (yr) | 10.9 ± 8.0 | 13.7 ± 8.7 | 0.10 |
| Epworth Sleepiness Scale | 9.8 ± 5.5 | 10.1 ± 6.1 | 0.78 |
| Apnea + Hypopnea Index | 22.7 ± 19.6 | 43.4 ± 34.3 | 0.0004 |
| Apnea + Hypopnea Index | 0.05 | ||
| Absent | 4% | 8% | |
| Mild | 42% | 20% | |
| Moderate | 24% | 20% | |
| Severe | 30% | 52% | |
| REM Apnea + Hypopnea Index | 28.7 ± 25.6 | 43.7 ± 31.6 | 0.023 |
| Supine Apnea + Hypopnea Index | 36.0 ± 29.2 | 45.3 ± 38.3 | 0.19 |
| Witnessed apneas | 50% | 58% | 0.55 |
| Choking and gasping at night | 64% | 50% | 0.23 |
| Headaches | 68% | 62% | 0.68 |
| Difficulty with memory, concentration, and mood | 74% | 74% | 1.00 |
| Sleep quality | 0.12 | ||
| Poor | 52% | 34% | |
| Fair | 30% | 46% | |
| Good | 18% | 16% | |
| Excellent | 0% | 4% | |
| Smoker (regular) | 12% | 14% | 1.00 |
| Alcohol | 0.42 | ||
| None | 18% | 22% | |
| Occasionally | 56% | 42% | |
| At least once a week | 26% | 36% | |
| Chronic rhinosinusitis with or without GERD | 92% | ||
| GERD alone | 6% |
± values are means ± 1 SD.
GERD, gastroesophageal reflux disease; REM, rapid eye movement sleep; WTCMMTP, World Trade Center Medical Monitoring and Treatment Program.