Table 4. Multivariate analysis of the effect of the interval to surgery on Tumor Regression Grade (TRG).

Variable	Odds ratio (95% C.I.)	p
Interval to surgery		0.022
< 6 wk vs > 8 wk	0.11 (0.20 to 0.64)
6–8 wk vs >8 wk	0.54 (0.15 to 1.95)
Stage		0.095
3 vs 1–2	0.35 (0.10 to 1.20)
Fitness		0.319
Unfit vs Fit	0.56 (0.17 to 1.77)

C.I.: confidence interval