Table 1—

Nonresponder analysis

Patient characteristicsResponderNonresponderSignificance of difference (P value)
n1,473*2,073
Female subjects787 (53.4)1,337 (64.6)<0.001
Mean age (years)70.3 (69.86–70.74)71.8 (71.4–72.2)<0.001
Participation in DMP909 (61.7)934 (45.1)<0.001
  • Data are mean (95% CI) or n (%).

  • *

    * The number of responders includes 74 questionnaires that were excluded from analysis.

  • The number of nonresponders includes 59 questionnaires that were sent back but not filled in.