From: Long-term outcomes of surgical resection for T1b gallbladder cancer: an institutional evaluation
Variable | Modality | No. of patients | Overall survival rate (%) | Univariate analysis P value | Multivariate analysis | ||
---|---|---|---|---|---|---|---|
5-year | 10-year | Hazard ratio (95% CI) | P value | ||||
Age | ≤ 70 years | 17 | 94 | 94 | 0.005 | 1.000 | |
> 70 years | 30 | 72 | 45 | 5.285 (1.751–15.953) | 0.003 | ||
Gender | Male | 16 | 71 | 41 | 0.017 | 1.000 | |
Female | 31 | 86 | 76 | 0.272 (0.107–0.695) | 0.007 | ||
Surgical procedure | Simple cholecystectomy | 29 | 84 | 66 | 0.618 | ||
Radical resection | 18 | 78 | 64 | ||||
Surgical approach | Open | 39 | 80 | 65 | 0.139 | ||
Laparoscopic | 8 | 86 | 64 | ||||
Size of primary tumor | ≤ 60 mm | 30 | 81 | 69 | 0.690 | ||
> 60 mm | 17 | 81 | 59 | ||||
Macroscopic type | Protruding | 23 | 74 | 60 | 0.743 | ||
Superficial | 24 | 87 | 68 | ||||
Histological grade | G1 | 34 | 87 | 78 | 0.032 | ||
G2 + G3 | 13 | 65 | 33 |