| BI | Billroth I |
| BII | Billroth II |
| BMI | Body Mass Index |
| KOQUSS-40 | Korean Quality of Life Questionnaire for Gastric Cancer Surgery (40 items) |
| BI | Billroth I |
| BII | Billroth II |
| BMI | Body Mass Index |
| KOQUSS-40 | Korean Quality of Life Questionnaire for Gastric Cancer Surgery (40 items) |