Table 4.
Disease-free survival | Overall survival | |||||
---|---|---|---|---|---|---|
HR (95% CI), P-value | P-interaction | HR (95% CI), P-value | P-interaction | |||
COX-1 / PTGS1 | ||||||
Among Type I Cases (N = 65) | ||||||
N cases / eventsa | 28 / 3 vs 21 / 5 | 39 / 14 vs 26 / 8 | ||||
Unadjusted | 2.20 (0.52–9.20) | 0.282 | 0.537 | 0.71 (0.29–1.70) | 0.435 | 0.210 |
Adjustedb | 2.88 (0.55–15.04) | 0.209 | 0.56 (0.23–1.38) | 0.210 | ||
Among Type II Cases (N = 125) | ||||||
N cases / eventsa | 32 / 23 vs 37 / 26 | 56 / 43 vs 69 / 55 | ||||
Unadjusted | 1.32 (0.75–2.31) | 0.339 | 1.10 (0.74–1.64) | 0.636 | ||
Adjustedb | 1.34 (0.76–2.37) | 0.313 | 1.07 (0.72–1.60) | 0.740 | ||
COX-2 / PTGS2 | ||||||
Among Type I Cases (N = 65) | ||||||
N cases / eventsa | 10 / 2 vs 39 / 6 | 19 / 11 vs 46 / 11 | ||||
Unadjusted | 0.90 (0.18–4.52) | 0.899 | 0.181 | 0.38 (0.16–0.88) | 0.023 | 0.051 |
Adjustedb | 0.51 (0.08–3.40) | 0.490 | 0.49 (0.20–1.15) | 0.102 | ||
Among Type II Cases (N = 125) | ||||||
N cases / eventsa | 36 / 27 vs 33 / 22 | 76 / 61 vs 49 / 37 | ||||
Unadjusted | 1.07 (0.60–1.88) | 0.829 | 0.84 (0.56–1.27) | 0.413 | ||
Adjustedb | 1.93 (1.06–3.53) | 0.033 | 1.08 (0.71–1.63) | 0.723 |
aN cases / N events, reference vs high COX, measured by H-score, dichotomized at the median
bAdjusted for age at diagnosis (continuous) and stage (early, late) Bold values denote signficant associations; column percentages may not sum to 100% due to rounding error