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Emergency room admissions by weekday of patients with peptic ulcers diagnosed with Helicobacter pylori infection
| Variable | Mean | SD | Days | Minimum | Maximum |
| Monday | 3.35 | 4.56 | 149 | 0 | 16 |
| Tuesday | 2.54 | 4.00 | 153 | 0 | 14 |
| Wednesday | 2.57 | 4.06 | 152 | 0 | 14 |
| Thursday | 3.05 | 4.41 | 154 | 0 | 15 |
| Friday | 2.90 | 4.38 | 155 | 0 | 16 |
| Saturday | 3.33 | 4.88 | 150 | 0 | 18 |
| Sunday | 3.63 | 5.40 | 152 | 0 | 16 |
| Holiday | 5.07 | 7.57 | 30 | 0 | 21 |
