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Table 2 Comparison of intervention group mean scores

From: Patient information leaflets (PILs) for UK randomised controlled trials: a feasibility study exploring whether they contain information to support decision making about trial participation

Mean Intervention group P value
Drug Surgical Cognitive Other
Overall score (SD) 31 (5) 27 (6) 24 (3) 26 (4) 0.119*
Section A score (SD) 10 (2) 9 (2) 7 (2) 7 (2) 0.097*
Section B score (SD) 21 (4) 18 (3) 17 (1) 19 (2) 0.209*
Readability (SD) 57.8 (5.6) 59.9 (4.0) 60.8 (8.0) 64.5 (7.4) 0.449*
Word count (SD) 2,572 (1,197) 1,896 (979) 1,523 (623) 1,422 (754) 0.224*
  1. P, statistical significance of ANOVA test of scores across intervention groups; SD, standard deviation. *Not statistically significant.