Table 3

Assessments of quantitative studies

AssessmentComparison group present*Specification of results†Number
No evidence of harmYesGives frequency and severity of psychological state;
no statistical difference with comparison group
AAA: 0
PCa: 423–25 52
Total: 4
Possible evidence of harmNoneCan give mean or frequency and severity; psychological measure shows clear problemsAAA: 122
PCa: 939–44 47–49
Total: 10
Definite evidence of harmYesCan give mean or frequency and severity; statistically significantly worse than comparison groupAAA: 121
PCa: 626 36 37 45 46 50
Total: 7
Uncertain evidence of harmNoneThe results only give mean with uncertainty whether psychological measure shows clear problemsAAA: 318–20
PCa: 1134–38 38–42 51
Total: 14
  • *May be prediagnosis, prescreening, screen negative, population norm and unscreened group.

  • †May or may not use condition-specific measure of psychological state; may or may not use representative population.

  • AAA, abdominal aortic aneurysm; PCa, prostate cancer.