Table 3.
Surgical quality measures diagnosed by pathologist depending on BMI (kg/m2)
| Valid, n | Mean, % | BMI, kg/m2 |
p-value | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| <18.5 |
18.5–24.9 |
≥25.0 |
≥30.0 |
||||||||
| n | % | n | % | n | % | n | % | ||||
| Tumor positive margin | |||||||||||
| Oral | 9,370 | 0.1 | 0 | 0.0 | 7 | 0.2 | 5 | 0.1 | 2 | 0.1 | 0.764 |
| Aboral | 9,397 | 0.8 | 6 | 3.4 | 31 | 0.9 | 18 | 0.5 | 16 | 0.9 | <0.001 |
| Radial | 8,990 | 3.5 | 10 | 5.9 | 140 | 4.2 | 114 | 3.1 | 48 | 2.7 | 0.006 |
| Adjacent organ | 1,970 | 6.8 | 9 | 13.6 | 57 | 6.9 | 44 | 6.2 | 23 | 6.4 | 0.142 |
| Distant metastasis | 753 | 21.4 | 4 | 19.0 | 63 | 19.9 | 66 | 23.6 | 28 | 20.7 | 0.722 |
| Coning, yes | 8,462 | 4.6 | 11 | 6.9 | 161 | 5.1 | 143 | 4.1 | 73 | 4.4 | 0.132 |
| Mercury | |||||||||||
| Grade 1 | 84.3 | 122 | 79.2 | 2,533 | 83.0 | 2,860 | 85.5 | 1,360 | 84.8 | ||
| Grade 2 | 8,152 | 12.4 | 24 | 15.6 | 407 | 13.3 | 387 | 11.6 | 191 | 11.9 | 0.075 |
| Grade 3 | 3.3 | 8 | 5.2 | 110 | 3.6 | 97 | 2.9 | 53 | 3.3 | ||