Table 7 Risk for APN, by Risk Group.

From: An algorithm to predict advanced proximal colorectal neoplasia in Chinese asymptomatic population

Derivation cohort

Validation cohort

 

Risk Tier (Risk Score)

Subjects with score, n(%)

Subjects with score and APN, n (%) (95% CI)

Subjects with score, n(%)

Subjects with score and APN, n (%) (95% CI)

Relative Risk (95% CI)

Average Risk (0–2)

2,986 (76.8)

35 (1.2) (0.8–1.6)

1,504 (77.4)

23 (1.5) (1.0–2.3)

1.00

High Risk ( >2)

903 (23.2)

69 (7.6) (6.0–9.6)

440 (22.6)

24 (5.5) (3.6–8.1)

3.57 (2.03–6.26) P < 0.001

Total

3,889 (100)

104 (2.7) (2.2–3.2)

1,944 (100)

47 (2.4) (1.8–3.2)

 
  1. APN: advanced proximal neoplasia, CI: confidence Interval.