Table 3.

Disease-free and overall survival by ribonucleotide reductase expression

Group	3-year disease-free survival*	3-year overall survival*
M1
0–1+	54% (CI: 38% — 67%)	60% (CI: 40% — 75%)
2–3+	57% (CI: 08% — 89%)	100% (CI: N/A)
P value	0.38	0.11
M2
0–2+	38% (CI: 10% — 66%)	47% (CI: 15% — 74%)
3+	57% (CI: 38% — 72%)	66% (CI: 40% — 83%)
P value	0.19	0.07
M2b
0–1+	62% (CI: 38% — 79%)	61% (CI: 36% — 78%)
2–3+	49% (CI: 27% — 67%)	62% (CI: 27% — 84%)
P value	0.69	0.16

^*CI denotes 95% confidence interval. N/A: not applicable.