Table 2.
Characteristics of gastric cancers diagnosed 6–12 months versus 12–36 months after a previous upper endoscopy.
| Variable | Missed Cancers (6–36 mo.) |
Definitely Missed (6–12 mo.) |
Potentially Missed (12–36 mo.) |
p Value |
|---|---|---|---|---|
| Patients, n (%) | 67 (100.0) | 22 (32.8) | 45 (67.2) | |
| Time from UE to diagnosis in months, mean (SD) | 17.5 (8.8) | 7.9 (2.0) | 22.2 (6.8) | 0.000 |
| Alarm symptoms, n (%) | 37 (55.2) | 11 (50.0) | 26 (57.8) | 0.584 |
| Findings at UE * | ||||
| Normal, n (%) | 18 (26.9) | 5 (22.7) | 13 (28.9) | 0.593 |
| Gastritis, n (%) | 26 (38.8) | 8 (36.4) | 18 (40.0) | 0.774 |
| Ulceration, n (%) | 17 (25.4) | 9 (40.9) | 8 (17.8) | 0.041 |
| GERD, n (%) | 14 (20.9) | 6 (27.3) | 8 (17.8) | 0.369 |
| Other, n (%) | 16 (23.9) | 5 (22.7) | 11 (24.4) | 0.877 |
| Cancer localization, n (%) | 0.850 | |||
| Cardia | 15 (22.4) | 6 (27.3) | 9 (20.0) | |
| Corpus | 30 (44.8) | 10 (45.5) | 20 (44.4) | |
| Antrum | 16 (23.9) | 4 (18.2) | 12 (26.7) | |
| Diffuse | 6 (9.0) | 2 (9.1) | 4 (8.9) | |
| Lauren classification, n (%) | 0.499 | |||
| Diffuse | 25 (37.3) | 6 (27.3) | 19 (42.2) | |
| Intestinal | 21 (31.3) | 9 (40.9) | 12 (26.7) | |
| Mixed diffuse/intestinal | 5 (7.5) | 1 (4.5) | 4 (8.9) | |
| Cancer NUD | 16 (23.9) | 6 (27.3) | 10 (22.2) |
UE: upper endoscopy; SD: standard deviation; GERD: gastroesophageal reflux disease; NUD: non-numerical unstructured data. * Some patients had more than one finding.