| CKD (n = 33) N (%) | NRF (n = 66) N (%) | Total (n = 99) | p-value |
Normal exam | 4 (12.1) | 18 (27.3) | 22 (22.2) | 0.064 |
Esophagitis | 3 (9.1) | 0 (0.0) | 3 (3.0) | 0.051 |
Erythematous gastritis | 14 (42.4) | 13 (19.7) | 27 (27.3) | 0.314 |
Erosive gastritis | 7 (21.2) | 1 (1.5) | 8 (8.1) | 0.009 |
Gastric ulcer | 2 (6.1) | 2 (3.0) | 4 (4.0) | 0.855 |
Pseudonodular gastritis | 1 (3.0) | 3 (4.5) | 4 (4.0) | 0.385 |
Erythematous bulbitis | 3 (9.1) | 4 (6.1) | 7 (7.1) | 0.872 |
Bulbar ulcer | 1 (3.0) | 3 (4.5) | 4 (4.0) | 0.385 |
Hiatal hernia | 4 (12.1) | 0 (0.0) | 4 (4.0) | 0.022 |
Cardiac incontinence | 3 (9.1) | 2 (3.0) | 5 (5.1) | 0.495 |