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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: JAMA Oncol. 2016 Mar 1;2(3):330–339. doi: 10.1001/jamaoncol.2015.4508

TABLE 3.

Point estimates for adjusted overall survival for each study, by interval delay. Table values showing adjusted overall survival are in percent.

Table 3A: SEER-Medicare Database study
≤30 days 31–60 days 61–90 days 91–120 days 121–180 days
Years N at risk Adjust.
OS
95% CI N at risk Adjust.
OS
95% CI N at risk Adjust.
OS
95% CI N at risk Adjust.
OS
95% CI N at risk Adjust.
OS
95% CI
5 38,075 78.1 77.7–78.4 6,370 77.9 77.0–78.8 760 73.5 70.4–76.7 235 73.5 66.4–80.5 121 60.9 50.5–71.3
10 10,870 54.2 53.7–54.7 1,132 53.2 51.7–54.7 110 47.1 41.3–52.9 24 45.0 33.7–56.3 16 40.2 27.7–52.7
15 2,386 32.7 32.0–33.4 212 29.3 26.7–31.9 12 21.7 13.7–29.7 <11 14.9 2.1–27.7 <11 26.0 9.0–43.1
Table 3B: National Cancer Database study
≤30 days 31–60 days 61–90 days 91–120 days 121–180 days
Years N at risk Adjust.
OS
95% CI N at risk Adjust.
OS
95% CI N at risk Adjust.
OS
95% CI N at risk Adjust.
OS
95% CI N at risk Adjust.
OS
95% CI
5 60,909 88.0 87.7–88.2 21,464 87.5 87.1–87.9 3,269 85.4 84.1–86.7 746 84.9 81.9–87.9 359 80.4 75.4–85.5

N at risk = number at risk; Small N’s of less than 11 are not reported, per NCI SEER-Medicare guidelines

Adjust. OS = adjusted overall survival estimate

95% CI = 95% confidence interval for adjusted OS