Table 2.

Risk Group Distribution According to the Berlin Questionnaire Results

Risk Group CategoryComparison Group (n = 100)Research Group (n = 102)P
High risk31 (31.0)59 (57.8)<.001
Low risk69 (69.0)43 (42.4)
  • Values provided as n (%). For the definitions of high- and low-risk groups, see the Methods section. P is based on Pearson's χ2.