Table 7.
Sensitivity analysis; Multivariate analysis of the association between Distance from the Anal Verge and (a) complete pathologic response or (b) complete clinical or pathologic response (OR Odds Ratio, NOM Non operative management, ref Reference)
DTAV | Study Cohort (N = 827)a | Known treatment interval (N = 338)a | Study Cohort and NOM (N = 862)b |
---|---|---|---|
OR (95% CI) | OR (95% CI) | OR (95% CI) | |
< 4 cm | 1 (ref)* | 1 (ref)** | 1 (ref)*** |
4 - 6 cm | 2.53 (1.36 - 4.75) | 2.31 (0.81 - 6.55) | 2.55 (1.46 - 4.44) |
6 - 8 cm | 2.55 (1.37 - 4.74) | 2.25 (0.81 - 6.28) | 1.99 (1.13 - 3.49) |
8 - 10 cm | 1.74 (0.87 - 3.48) | 0.64 (0.19 - 2.20) | 1.53 (0.82 - 2.85) |
> 10 cm | 1.29 (0.51 - 3.28) | 0.75 (0.16 - 3.55) | 1.18 (0.51 - 2.74) |
Test for overall effect P = 0.008
Test for overall effect P = 0.027
Test for overall effect P = 0.0054