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. 2019 Dec 21;19:282. doi: 10.1186/s12911-019-1000-z

Table 2.

Comparison of pretest and posttest scores in intervention and control groups

Outcome Pretest Posttest Mean difference t 95% CI P
Stroke-knowledge questionnaire
 Total score
  Intervention a 26.23 ± 6.65 29.07 ± 5.27 −2.83 ± 4.51 −3.440 −4.52 to −1.15 0.002*
  Control b 25.21 ± 5.54 28.00 ± 5.46 − 2.79 ± 4.36 −3.676 − 4.33 to − 1.24 0.001**
Health-related quality of life (European Quality of Life–Five Dimensions)
 Index
  Intervention a 0.55 ± 0.29 0.62 ± 0.29 −0.07 ± 0.22 −1.640 −0.15 to 0.02 0.11
  Control b 0.54 ± 0.40 0.46 ± 0.40 0.08 ± 0.34 1.426 −0.04 to 0.20 0.16
 Visual analog scale
  Intervention a 59.67 ± 20.17 62.30 ± 18.77 −2.63 ± 18.81 −0.767 −9.66 to 4.39 0.45
  Control b 61.63 ± 22.33 65.00 ± 18.37 −3.64 ± 19.89 −1.050 −10.69 to 3.41 0.30

*P < .01; **P < .001. a n = 30; b n = 33; CI, confidence interval; data were mean ± SD