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FIT false-positives in colorectal cancer screening experience psychological distress up to 6 weeks after colonoscopy

Abstract

Purpose

Screening programs for colorectal cancer aim at reducing cancer mortality. We assessed psychological effects of being invited to an immunochemical fecal test (FIT)-based screening program.

Methods

Asymptomatic persons aged 50–74 years were invited to a Dutch screening pilot. The Psychological Consequences Questionnaire (PCQ) was used to measure the psychological effects of screening. Screen positives had two additional measurements: before undergoing the colonoscopy and 4 weeks after receiving the colonoscopy findings.

Results

A number of 3,828 invitees (46 % male, mean age 60 years) completed the first PCQ. FIT positives had a higher mean total PCQ score (8.32, SD 8.84; score range 0–36) than those who declined participation (3.72, SD 6.30); participants still waiting for their FIT result had a mean score of 2.74 (SD 5.11), and those with a negative FIT result had the lowest score (2.06, SD 4.43) (p < 0.001). In the 373 FIT positives who underwent colonoscopy, 195 completed the pre-colonoscopy questionnaire and 253, the post-colonoscopy questionnaire. Mean total, physical, and social PCQ scores had decreased significantly between the first questionnaire and the pre-colonoscopy one, but scores on the emotional subscale did not. In false-positives, mean total, physical, and emotional PCQ scores decreased significantly, while in true-positives, a significant decrease in mean emotional PCQ score was observed.

Conclusion

Psychological consequences for invitees to a Dutch FIT-based colorectal cancer screening pilot differ, depending on timing and FIT result. FIT positives are more distressed than FIT negatives. FIT positives still experience psychological distress 6 weeks after a normal colonoscopy.

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Fig. 1

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Acknowledgments

The authors thank ZonMW for funding (project numbers 120710007 and 63000004). We also thank the Comprehensive Cancer Center Amsterdam for their contributions to the study and Karin de Groot for research assistance.

Conflict of interest

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Correspondence to E. Dekker.

Additional information

Trial Registration Number: NTR1327

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Denters, M.J., Deutekom, M., Essink-Bot, M.L. et al. FIT false-positives in colorectal cancer screening experience psychological distress up to 6 weeks after colonoscopy. Support Care Cancer 21, 2809–2815 (2013). https://doi.org/10.1007/s00520-013-1867-7

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  • DOI: https://doi.org/10.1007/s00520-013-1867-7

Keywords

  • Psychological consequences of screening
  • Mass screening
  • Colorectal cancer
  • Fecal immunochemical test (FIT)
  • Epidemiology