TABLE 2.
Comparison of EGJ metrics by age and gender in Medtronic subgroup.
| Age | Gender | |||||
|---|---|---|---|---|---|---|
| <50 y | ≥50 y | Female | Male | |||
| n = 269 | n = 25 | P value | n = 147 | n = 147 | P value | |
| EGJ-CI (mmHg.cm) | 37.4 (24.1–53.8) | 34.5 (21.2–54.2) | 0.26 | 42.0 (27.5–57.7) | 30.4 (19.3–48.4) | <0.001 |
| Basal LESP (mmHg) | 22.8 (16.4–30.4) | 20.1 (14.6–30.0) | 0.31 | 26.2 (18.6–32.4) | 20.3 (15.6–26.4) | <0.001 |
| End-expiratory LESP (mmHg) | 14.1 (8.4–20.8) | 10.7 (6.6–14.9) | 0.048 | 15.4 (9.6–22.5) | 11.7 (6.7–18.5) | <0.001 |
| LES length (cm) | 3.7 (3.3–4.2) | 3.3 (2.6–4.0) | 0.02 | 3.7 (3.3–4.3) | 3.7 (3.1–4.1) | 0.33 |
Values expressed as median (interquartile range) or number (%).
Abbreviations: EGJ, esophagogastric junction; EGJ-CI, EGJ contractile integral; LES, lower esophageal sphincter; LESP, LES pressure.