Table 3.

Unadjusted Probability of Attending a Given Follow-Up Visit by 5-Year Interval Since Completion of Treatment

Follow-up period, years	Estimated probability of follow-up visit (95% CI)	Odds ratio (95% CI)
1–5	91.2 (89.7–92.5)	1.00 (reference)
6–10	68.5 (66.2–70.8)	0.21 (0.17–0.26)
11–15	47.7 (45.0–50.3)	0.09 (0.07–0.11)
16–20	34.5 (31.8–37.4)	0.05 (0.04–0.06)
21–25	29.2 (26.3–32.3)	0.04 (0.03–0.05)
26+	20.8 (18.5–23.3)	0.03 (0.02–0.03)