From: The effect of the 2-week wait referral system on the detection of and mortality from colorectal cancer: protocol of a systematic review and meta-analysis
Stage
Men (%)
Women (%)
Stage I
94.6
100.2
Stage II
83.5
85.9
Stage III
62.6
62.7
Stage IV
6.9
8.1
All stages
58.2
61.1
Stage not known
18.7
15.1