Table 4. Characteristics of patients with Mallory-Weiss tears.
| Patients with tears related to endoscopic procedure (n = 100) | Patients with tears with other causes (n = 90) | P value | |||
| Age, mean ± SD, y | 69.2 ± 14.7 | 64.0 ± 16.8 | 0.02 | ||
| Male, n (%) | 65 (65.0) | 70 (77.8) | 0.05 | ||
| Regular drinker, n (%) | 26 (26.0) | 29 (32.2) | 0.07 | ||
| Antithrombotic drug, n (%) | 13 (13.0) | 19 (21.1) | 0.65 | ||
| Atrophic gastritis, n (%) | 58 (58.0) | 47 (52.2) | 0.54 | ||
| Hiatal hernia, n (%) | 52 (52.0) | 55 (61.0) | 0.18 | ||
| Multiple lacerations, n (%) | 15 (15.0) | 26 (28.9) | 0.02 | ||
| Length, mean ± SD, cm | 0.9 ± 0.6 | 0.9 ± 0.6 | 0.99 | ||
| Location (esophagus/stomach/both) | 16/67/17 | 13/36/41 | < 0.001 | ||
SD, standard deviation.