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Table 2 Study Outcomes

From: Implementation of a Smartphone application in medical education: a randomised trial (iSTART)

Outcome Smartphone Application No Intervention Mean Difference P-Value
Intention to Treat Analyses (Multiple Imputation)
 Mean overall score (points) (SD) 56.1 ± 14.5 52.2 ± 10.3 3.5 0.221
 Absolute change in overall score (points) (SD) 14.5 ± 8.9 9.4 ± 11.6 5.0 0.031
 Mean total time (minutes) (SD) 62.2 ± 20.4 70.8 ± 21.3 8.5 0.082
 Mean time per question (seconds) (SD) 41.2 ± 14.5 46.9 ± 13.6 5.7 0.082
Complete-Case Analyses
 Mean overall score (points) (SD) 56.1 ± 12.9 52.2 ± 9.4 3.9 0.172
 Absolute change in overall score (points) (SD) 14.6 ± 7.4 9.6 ± 10.5 5.0 0.032
 Mean total time (minutes) (SD) 61.5 ± 19.7 71.5 ± 18.7 10.0 0.042
 Mean time per question (seconds) (SD) 41.0 ± 13.2 47.7 ± 12.5 6.7 0.042
  1. SD Standard Deviation
  2. 1Estimates obtained by pooling results across 20 multiply imputed data sets
  3. 2Student’s T Test