Table 23Studies of the degree of overestimation or underestimation of risk

StudynTimeMean overestimation (SD)p value
Bowen 2006211Pre-counselling19p<0.001
6 months post-counselling6
Codori 2005101Pre-counselling30not stated
Immediately post-counselling30
Gurmankin 2005108Pre-counselling42%p<0.001
1–7 days post-counselling19
Kaiser 2004123Pre-counselling14.94p<0.0005
Post-counselling7.8
Kelly 200399Pre-counselling23not stated
1–2 days post-counselling16.6
Kent 200090Pre-counsellingnot givenNS
3 month post-counselling
6 months post-counselling
Tercyak 2001129Pre-counselling11.5p<0.001
Post-counselling7.8
Van Dijk 2003241Low risk: post-counselling43.86not stated
High risk: post-counsellingno datareported as NS

From: 10, Enabling patients to actively participate in their care

Cover of Patient Experience in Adult NHS Services: Improving the Experience of Care for People Using Adult NHS Services
Patient Experience in Adult NHS Services: Improving the Experience of Care for People Using Adult NHS Services: Patient Experience in Generic Terms.
NICE Clinical Guidelines, No. 138.
National Clinical Guideline Centre (UK).
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