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Table 2 Expected and observed probability of completing a colonoscopy within 6 months of abnormal FIT test, by points score

From: Development of a multivariable prediction model to identify patients unlikely to complete a colonoscopy following an abnormal FIT test in community clinics

Points Scorea Expected Probability, % Observed probability, % (95% CI)
140–149 17.30% 18.00% (7.0–29.0)
150–159 19.20% 14.50% (6.4–22.6)
160–169 21.30% 18.10% (10.2–26.0)
170–179 23.60% 27.90% (19.8–35.9)
180–189 26.10% 23.60% (16.1–31.1)
190–199 28.80% 28.80% (21.5–36.0)
200–209 31.80% 33.80% (25.9–41.8)
210–219 34.90% 40.70% (32.3–49.1)
220–229 38.30% 34.60% (26.4–42.8)
230–239 41.90% 39.60% (30.2–49.1)
240–249 45.70% 45.20% (34.9–55.5)
250–259 49.60% 54.70% (43.1–66.2)
260–269 53.70% 54.30% (44.0–64.5)
270–279 57.90% 46.40% (33.0–59.9)
280–289 62.20% 66.70% (51.2–82.1)
290–299 66.50% 58.30% (37.1–79.6)
  1. aProbabilities calculated for point ranges with at least 20 patients