Table 2.
Findings in upper endoscopy
| LRYGB | LSG | Total | p | |
|---|---|---|---|---|
| Examinations (n; %) | 741; 100.0% | 156; 100.0% | 897; 100.0% | – |
| Normal examination (n; %) | 270; 36.4% | 67; 42.9% | 337; 37.6% | 0.07 |
| Eosinophilic esophagitis (n; %) | 3; 0.4% | 1; 0.6% | 4; 0.5% | 0.54 |
| Esophageal candidiasis (n; %) | 1; 0.1% | 0; 0.0% | 1; 0.1% | 1.00 |
| Esophageal diverticulum (n; %) | 1; 0.1% | 0; 0.0% | 1; 0.1% | 1.00 |
| Esophageal varices (n; %) | 0; 0.0% | 1; 0.6% | 1; 0.1% | 1.00 |
| Cardia insufficiency (n; %) | 9; 1.2% | 3; 1.9% | 12; 1.4% | 0.45 |
| Hiatal hernia (n; %) | 80; 10.9% | 69; 44.2% | 149; 16.8% | < 0.001** |
| Barrett’s esophagus (n; %) | 13; 17.8% | 3; 1.9% | 16; 1.8% | 0.75 |
| Reflux esophagitis (n; %) | 153; 20.9% | 22; 14.1% | 175; 19.7% | |
| LA grade A | − 114; 74.5% | − 15; 68.2% | − 129; 73.7% | |
| LA grade B | − 31; 20.3% | − 6; 27.3% | − 37; 21.1% | |
| LA grade C | − 5; 3.3% | − 0; 0.0% | − 5; 2.9% | |
| LA grade D | − 3; 2.0 | − 1; 4.5% | − 4; 2.3% | 0.12 |
| Helicobacter pylori infection (n; %) | 117; 15.8% | 28; 17.9% | 145; 16.2% | 0.31 |
| Typ C gastritis (n; %) | 228; 30.8% | 89; 57.1% | 317; 35.3% | < 0.001** |
| Type A gastritis (n; %) | 1; 0.1% | 2; 1.3% | 3; 0.3% | 0.08 |
| Peptic ulcer (n; %) | 4; 0.5% | 2; 1.3% | 6; 0.7 | 0.29 |
| Intramural Lipoma (n; %) | 1; 0.1% | 0; 0.0% | 1; 0.1% | 0.82 |
| Intestinal metaplasia (n; %) | 1; 0.1% | 3; 1.9% | 4; 0.5% | 0.02* |
| Portal hypertensive gastropathy (n; %) | 1; 0.1% | 0; 0.0% | 1; 0.1% | 0.82 |
| Ampullary adenoma (n; %) | 0; 0.0% | 1; 0.6% | 1; 0.1% | 1.00 |
| Celiac disease (n; %) | 2; 0.3% | 1; 0.6% | 3; 0.3% | 0.44 |
| Changes in therapy due to upper endoscopy (yes; %) | 176; 24.0% | 40; 25.6% | 216; 24.3% | 0.54 |
| HP-eradication | 117; 66.5% | 28; 70.0% | 145; 67.1% | |
| Hiatal hernia repair | 67; 38.1% | 32; 80.0% | 99; 45.8% | |
| Repositioning of stomach | 1; 0.1% | 0; 0.0% | 1; 0.5% | |
| Postoperative diverticulectomy | 1; 0.1% | 0; 0.0% | 1; 0.5% | |
| LSG instead of planned LRYGB | – | 5; 12.5% | 5; 2.3% | |
| LRYGB instead of planned LSG | 5; 2.8% | – | 5; 2.3% | |
| NNS | 4.2 | 3.9 | 4.1 | 0.54 |
LYRGB laparoscopic Roux-en-Y gastric bypass; LSG laparoscopic sleeve gastrectomy; GERD gastroesophageal reflux disease; NNS number needed to screen (for change in therapy)
*p < 0.05; **p < 0.01