Skip to main content

Advertisement

Table 5 The difference of knowledge scores compared between control and intervention subgroups

From: Educational video-assisted versus conventional informed consent for trauma-related debridement surgery: a parallel group randomized controlled trial

Analysis variable Control Intervention p-value p-value for interaction of experimental group and analysis variable
  n Mean Standard deviation n Mean Standard deviation   
Age (years)
  < 36 32 9.38 11.34 39 21.80 17.30 < 0.001a 0.046
  ≥ 36 40 12.00 11.14 31 14.84 15.46 0.392a  
Sex
 Female 29 9.31 8.84 34 15.00 15.42 0.084a 0.329
 Male 43 11.86 12.58 36 22.22 17.42 0.003a  
Education
  < High school 13 9.23 11.15 8 20.00 15.12 0.073a 0.624
  ≥ High school 59 11.19 11.31 62 18.55 17.07 0.004a  
Injury severity score
4 55 11.82 11.56 57 20.35 17.11 0.003a 0.427
  > 4 17 7.65 9.70 13 11.54 13.45 0.388a  
Transferred
 Yes 16 6.25 9.57 19 16.84 14.55 0.015a 0.550
 No 56 12.14 11.40 51 19.41 17.60 0.014a  
Arrival time
 8–16 h 30 12.00 12.70 36 20.56 18.66 0.031a 0.711
 Others 42 10.00 10.12 34 16.76 14.51 0.025a  
Physician
 Physician A 18 8.33 7.86 16 17.50 17.32 0.066a 0.970
 Physician B 7 11.43 9.00 10 17.00 22.63 0.495a  
 Physician C 14 10.00 10.38 6 16.67 22.51 0.514a  
 Physician D 11 14.55 15.08 12 18.33 17.49 0.583a  
 Physician E 9 15.56 17.40 14 22.14 14.24 0.358a  
 Physician F 13 8.46 8.01 12 19.17 11.65 0.015a  
  1. aUnequal variance test