TABLE 1.
Clinical characteristics by HRM system.
| Medtronic n = 294 | Laborie n = 126 | Diversatek n = 64 | P value | |
|---|---|---|---|---|
| World regions | ||||
| Asia | 68 (23.1%) | 69 (54.8%) | 39 (60.9%) | <0.001 |
| Europe | 43 (14.6%) | 57 (45.2%) | ||
| Latin America | 64 (21.8%) | 25 (39.1%) | ||
| North America | 119 (40.5%) | |||
| Age (y) | 27.7 (24.0–34.9) | 26.0 (22.8–37.0) | 30.0 (28.0–35.8) | <0.001 |
| Gender (% female) | 147 (50.0%) | 88 (69.8%) | 37 (57.8%) | 0.001 |
| EGJ morphology | ||||
| Type 1 | 288 (98.0%) | 122 (96.8%) | 60 (93.8%) | 0.19 |
| Type 2 | 6 (2.0%) | 4 (3.2%) | 4 (6.3%) | |
| EGJ-CI (mmHg.cm) | 37.0 (23.6–53.7) | 56.5 (35.0–75.3) | 34.9 (22.1–56.1) | <0.001 |
| Basal LESP (mmHg) | 22.5 (16.3–30.3) | 29.0 (21.8–44.0) | 27.1 (20.2–35.7) | 0.002 |
| End-expiratory LESP (mmHg) | 13.7 (8.1–20.5) | 14.0 (8.0–21.0) | 9.8 (5.5–14.9) | <0.001 |
| LES length (cm) | 3.7 (3.2–4.2) | 3.0 (2.6–3.5) | 3.0 (2.2–3.5) | <0.001 |
Values expressed as median (interquartile range) or number (%).
Abbreviations: EGJ, esophagogastric junction; EGJ-CI, EGJ contractile integral; HRM, high-resolution manometry; LES, lower esophageal sphincter; LESP, LES pressure.