Table 1.
patient & tumor characteristics
| Anastomotic Leakage | p value | |||
| negative | positive | |||
| Age (years old) | 63.7 (11.6) | 61.6 (11.0) | 0.569 | |
| BMI (kg/m2) | 23.4 (3.4) | 22.62 (3.2) | 0.492 | |
| Sex | Male | 90 | 9 | |
| Female | 60 | 2 | 0.151 | |
| Location | RS | 25 | 0 | |
| Ra | 77 | 9 | ||
| Rb | 48 | 2 | 0.12 | |
| Pathological Stage | 0 | 5 | 0 | |
| I | 40 | 2 | ||
| II | 31 | 4 | ||
| III | 54 | 3 | ||
| IV | 14 | 2 | 0.4 | |
| Pathological depth | Tis | 7 | 0 | |
| T1 | 24 | 0 | ||
| T2 | 30 | 2 | ||
| T3 | 53 | 7 | ||
| T4 | 19 | 2 | 0.388 | |
| Tumor size (cm) | 3.8 (1.8) | 4.8 (1.5) | 0.076 | |
| Detection time (day)† | − | 5.9 (3.4) | ||
| (day 1-12) | ||||
| Grade‡ | A | − | 1 | |
| B | − | 4 | ||
| C | − | 6 | ||
| Mortality | 0 | 0 | ||
| Modified GPS | 0 | 133 | 8 | |
| 1 | 14 | 1 | ||
| 2 | 3 | 2 | 0.011 | |
| Serum albumin (g/dL) | 4.1 (0.4) | 3.9 (0.4) | 0.116 | |
| CRP (mg/dL) | 3.8 (1.8) | 4.8 (1.5) | 0.815 | |
Age, BMI, tumor size, serum Albumin, CRP were described in average (standard deviation).
†: the day of anastomotic leakage developed described in post operative day. ‡: Grade A: Anastomotic leakage (AL) which was not required therapeutic intervention, Grade B: AL which was required active intervention other than surgery, Grade C: AL which was required re-operation.
BMI: body mass index, GPS: Glasgow prognostic score