Table 2.
Baseline subject and study characteristics
| Baseline characteristics | N = 212 |
|---|---|
| Age, years | 46.7 ± 15.1 |
| Female gender | 136 (64%) |
| Race | |
| White | 146 (69%) |
| African-American | 11 (5%) |
| Asian | 5 (2%) |
| Other/Unknown | 50 (24%) |
| Hiatal hernia | 39 (18%) |
| 1–2 cm in size | 28 (13%) |
| >2 cm in size | 7 (3%) |
| Symptoms | |
| Regurgitation | 50 (24%) |
| Heartburn | 106 (50%) |
| Chest pain | 50 (24%) |
| Cough only | 11 (5%) |
| Laryngeal complaints only | 25 (12%) |
| Study protocol characteristics | |
| 4 days of monitoring | 165 (78%) |
| Monitoring overlapped with weekend | 115 (54%) |
| Time of capsule placement, hour | 10.9 ± 2.3 |