Table 5

 Univariate survival analysis according to microsatellite status

nProbability of survival (95% CI)p ValueProbability of disease free survival (95% CI)p Value
p values were calculated using the χ2 test.
95% CI, 95% confidence interval; CT, chemotherapy; MMR, mismatch repair.
All patients505
    MMR competent45280.7 (77.0–84.4)0.569.2 (64.9–73.5)0.2
    MMR deficient5384.9 (75.1–94.7)77.3 (65.8–88.8)
Chemotherapy260
    MMR competent24187.1 (82.8–91.4)0.873.9 (68.2–79.6)0.8
    MMR deficient1989.5 (75.4–103.6)73.7 (53.5–93.9)
Non-chemotherapy245
    MMR competent21173.5 (67.4–79.6)0.364.0 (57.4–70.6)0.06
    MMR deficient3482.4 (69.3–95.5)79.4 (65.5–93.3)