From: Evaluation of lymph node numbers for adequate staging of Stage II and III colon cancer
 | Un-adjusted HRs (95% C.I.) | Adjusted a HRs (95% C.I.) | ||
---|---|---|---|---|
LNs extracted | Stage II | Stage III | Stage II | Stage III |
5 Years DSS | Â | Â | Â | Â |
Current guideline | Â | Â | Â | Â |
< 12 | ref | ref | ref | ref |
≥ 12 | 0.65 (0.40, 1.07) | 1.13 (0.77, 1.64) | 0.61 (0.37, 1.00) | 0.97 (0.64, 1.46) |
Quartiles | Â | Â | Â | Â |
1-6 | ref | ref | ref | ref |
7-11 | 0.93 (0.60, 1.43) | 1.64 (0.91, 2.94) | 0.85 (0.43, 1.67) | 0.87 (0.41, 1.85) |
12-19 | 0.89 (0.58, 1.34) | 0.97 (0.55, 1.71) | 0.68 (0.35, 1.32) | 0.97 (0.55, 1.70) |
≥ 20 | 0.54 (0.35, 0.83) | 1.02 (0.57, 1.82) | 0.42 (0.20, 0.90) | 0.74 (0.39, 1.40) |
Overall DSS | Â | Â | Â | Â |
Current guideline | Â | Â | Â | Â |
< 12 | ref | ref | ref | ref |
≥ 12 | 0.69 (0.44, 1.07) | 1.09 (0.76, 1.56) | 0.65 (0.42, 1.02) | 0.95 (0.64, 1.40) |
Quartiles | Â | Â | Â | Â |
1-6 | ref | ref | ref | ref |
7-11 | 0.69 (0.37, 1.28) | 0.84 (0.48, 1.48) | 0.75 (0.40, 1.40) | 0.83 (0.47, 1.47) |
12-19 | 0.68 (0.38, 1.24) | 1.01 (0.60, 1.70) | 0.67 (0.37, 1.22) | 0.94 (0.56, 1.59) |
≥ 20 | 0.45 (0.23, 0.87) | 0.94 (0.55, 1.61) | 0.45 (0.23, 0.87) | 0.69 (0.38, 1.26) |