Improvement of the four quality indicators after the implementation of the continuous quality improvement program.
Patients cohorts per Era: 1, 2, and 3
SAR, % (CI)
CCR, % (CI)
ADR, % (CI)
CR, % (CI)
Era 1
Era 2
Era 3
Era 1
Era 2
Era 3
Era 1
Era 2
Era 3
Era 1
Era 2
Era 3
(A)
41.5 (38.7–44.3)
63.5a (60.7–66.3)
(83.8–89.2)
3.4 (2.4–4.4)
1.9a (1.1–2.7)
(0–0.7)
(B)
42 (39.2–44.8)
65.2a (62.4–68)
(85–90.2)
88.3 (86.5–90.1)
90.6 (88.9–92.3)
(94.9–97.9)
3.4 (2.4–4.4)
2 (1.2–2.8)
(0–0.7)
(C)
41 (35.6–46.4)
68.7a (64.2–73.2)
(84.4–92.6)
93.2 (90.0–95.9)
95.3 (93.2–97.4)
98.3c (96.6–100)
25.9 (21.1–30.7)
30.6 (26.1–35.1)
35.0c (28.9–41.1)
2.5 (0.8–4.2)
1.5 (0.3–2.7)
0.9 (0–2.1)
: number of colonoscopies; SAR: sedation administration rate; CI: confidence interval; CCR: colonoscopy completion rate; ADR: adenoma detection rate; CR: early complications rate; asignificance over Era 1; bsignificance over Era 2; csignificance over Era 1 during Era 3.