Table 4. Univariate log-rank and multivariate analyses for disease-specific and metastasis-free survivals in urinary bladder urothelial carcinoma.
Parameter | Category | Case No. | Disease-specific Survival | Metastasis-free Survival | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Univariate analysis | Multivariate analysis | Univariate analysis | Multivariate analysis | |||||||||||||
No. of event | p-value | R.R. | 95% C.I. | p-value | No. of event | p-value | R.R. | 95% C.I. | p-value | |||||||
Gender | Male | 216 | 41 | 0.4446 | − | − | − | 60 | 0.2720 | − | − | − | ||||
Female | 79 | 11 | − | − | − | 16 | − | − | − | |||||||
Age (years) | < 65 | 121 | 17 | 0.1136 | − | − | − | 31 | 0.6875 | − | − | − | ||||
≥ 65 | 174 | 35 | − | − | − | 45 | − | − | − | |||||||
Primary tumor (T) | Ta | 84 | 1 | < 0.0001* | 1 | − | < 0.001* | 4 | < 0.0001* | 1 | − | 0.001* | ||||
T1 | 88 | 9 | 6.361 | 0.702–57.605 | 23 | 5.107 | 1.512–17.245 | |||||||||
T2-T4 | 123 | 42 | 27.516 | 2.800–218.273 | 49 | 7.401 | 2.173–25.205 | |||||||||
Nodal metastasis | Negative (N0) | 266 | 41 | 0.0002* | 1 | − | 0.182 | 61 | < 0.0001* | 1 | − | 0.028* | ||||
Positive (N1-N2) | 29 | 11 | 1.211 | 0.799–3.254 | 15 | 1.857 | 1.077–3.618 | |||||||||
Histological grade | Low grade | 56 | 2 | 0.0013* | 1 | − | 0.788 | 5 | 0.0007* | 1 | − | 0.888 | ||||
High grade | 239 | 50 | 2.066 | 0.172–3.805 | 71 | 1.468 | 0.380–3.054 | |||||||||
Vascular invasion | Absent | 246 | 37 | 0.0024* | 1 | − | 0.157 | 54 | 0.0001* | 1 | − | 0.675 | ||||
Present | 49 | 15 | 1.608 | 0.307–1.209 | 22 | 1.055 | 0.488–1.590 | |||||||||
Perineural invasion | Absent | 275 | 44 | 0.0001* | 1 | − | 0.088 | 66 | 0.0007* | 1 | − | 0.167 | ||||
Present | 20 | 8 | 2.495 | 0.897–4.824 | 10 | 1.791 | 0.803–3.548 | |||||||||
Mitotic rate (per 10 high power fields) | < 10 | 139 | 12 | < 0.0001* | 1 | − | 0.037* | 23 | < 0.0001* | 1 | − | 0.034* | ||||
>= 10 | 156 | 40 | 2.55 | 1.043–3.956 | 53 | 1.868 | 1.042–2.907 | |||||||||
DDR2 expression | Low | 147 | 10 | < 0.0001* | 1 | − | 0.001* | 23 | 0.0001* | 1 | − | 0.008* | ||||
High | 148 | 42 | 3.488 | 1.712–7.108 | 53 | 2.006 | 1.203–3.345 |
Statistically significant.