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Characteristics of the subjects
| Patients (n = 46) | Controls(n = 37) | |
|---|---|---|
| Age (yr, mean ± SD) | 53.3 ± 9.6 | 46.3 ± 10.4 |
| Sex (M/F) | 31/15 | 18/19 |
| OP* type(n) | Subtotal gastrectomy: 39 Total gastrectomy: 7 |
|
| POD**(mo) | 18.3 ± 10.6 | |
| NPO***(day) | 6.7 ± 0.9 | |
OP*, operation; POD**, post-operation date; NPO***, duration of nothing by mouth
