Table 2.

Post-test probability of microbiome-based adenoma screen.

Age at diagnosis (years)	Incidence Rate (per 100,000 people)a	Pre-test probability	Pre-test odds	Post-test oddsb	Post-test probability	95% confidence interval for post-test probability
35–39	8.2	0.0001	0.000082	0.0058	0.0058	0.0045–0.0074
40–44	15.8	0.0002	0.000158	0.0112	0.0111	0.0092–0.0133
45–49	29.1	0.0003	0.000291	0.0207	0.0203	0.0177–0.0232
50–54	55.8	0.0006	0.000558	0.0396	0.0381	0.0345–0.0420
55–59	77.0	0.0008	0.000771	0.0547	0.0519	0.0477–0.0564
60–64	112.0	0.0011	0.001122	0.0796	0.0738	0.0688–0.0790
65–69	168.0	0.0017	0.001683	0.1195	0.1067	0.1008–0.1129
70–74	223.4	0.0022	0.002239	0.1590	0.1372	0.1306–0.1440
75–79	283.3	0.0028	0.002841	0.2017	0.1678	0.1606–0.1752
80–84	337.1	0.0034	0.003382	0.2401	0.1936	0.1859–0.2014
85+	376.4	0.0038	0.003778	0.2682	0.2115	0.2036–0.2196

^aBased on Surveillance, Epidemiology and End Results data, Years 2000–2010.

^bLikelihood Ratio of a positive test = 71.