Table 4.
Multivariable analysis of VEGF and IL-8 polymorphisms and time to recurrence
| n | Adjusted RR (95% CI)a | Adjusted P value | |
| VEGF C+936T | |||
| C/C (unfavorable) | 80 (66.1%) | 1 (reference) | <0.001 |
| C/T, T/T (favorable) | 41 (33.9%) | 0.28 (0.12, 0.64) | |
| IL-8 T−251A | |||
| T/T, T/A (favorable) | 98 (81%) | 1 (reference) | 0.030 |
| A/A (unfavorable) | 23 (19%) | 2.24 (1.12, 4.47) | |
| Combinedb | |||
| 2 favorable | 33 (27.3%) | 1 (reference) | <0.001 |
| 1 favorable | 73 (60.3%) | 5.04 (1.69, 15.0) | |
| 0 favorable | 15 (12.4%) | 9.45 (2.74, 32.6) |
Based on Cox proportional hazards model, stratified by race, number of resected lymph nodes and type of adjuvant therapy, with two polymorphisms included.
Based on Cox proportional hazards model, stratified by race, number of resected lymph nodes and type of adjuvant therapy.
VEGF, vascular endothelial growth factor; IL-8; interleukin-8; CI, confidence interval; RR, response rate.