Table 4

Survival benefit from prompt colonoscopy vs delay for different rates of nosocomial infection per investigatory referral

Nosocomial infection rate for investigatory referralDelay
(months)
Age band
30–39 years40–49 years50–59 years60–69 years70–79 years80+ years
1%2 months0.09%0.09%0.08%0.06%0.04%0.01%
4 months0.21%0.22%0.21%0.20%0.20%0.19%
6 months0.35%0.38%0.36%0.36%0.37%0.36%
2.5%2 months0.08%0.09%0.06%0.01%−0.08%−0.22%
4 months0.20%0.22%0.19%0.14%0.07%−0.05%
6 months0.35%0.37%0.34%0.30%0.24%0.12%
5%2 months0.08%0.08%0.03%−0.09%−0.29%−0.60%
4 months0.20%0.21%0.15%0.04%−0.14%−0.44%
6 months0.34%0.36%0.30%0.20%0.02%−0.28%
  • This analysis assumes no FIT triage. Green indicates survival benefit from prompt investigatory referral vs delay; red indicates survival disbenefit from prompt investigatory referral vs delay.