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Table 2 Knowledge of endobronchial anatomy and navigational skills by time of measurement and group

From: Man or machine? Impact of tutor-guided versus simulator-guided short-time bronchoscopy training on students learning outcomes

  pre post p-valuea Cohens’ db
Knowledge of endobronchial anatomy
Segments correctly identified on 1st attempt (all) 4.38 (1.77) 12.04 (5.13) < 0.001 2.21
 Simulator-guided 4.36 (1.66) 10.88 (4.83) 0.07 0.63
 Tutor-guided 4.39 (1.81) 13.11 (5.26)
Segments correctly identified on any attempt (all) 5.58 (2.34) 13.83 (5.09) < 0.001 2.15
 Simulator-guided 5.56 (2.29) 12.8 (5.06) 0.105 0.52
 Tutor-guided 5.61 (2.42) 14.78 (5.06)
Segments skipped (all) 22.45 (2.31) 14.63 (4.72) < 0.001 2.23
 Simulator-guided 22.48 (2.26) 15.48 (4.69) 0.14 0.46
 Tutor-guided 22.43 (2.41) 13.85 (4.69)
Navigational skills
% time in mid-lumen 44.04 (12.66) 37.63 (12.18) 0.004 0.52
 Simulator-guided 43.68 (12.52) 37.52 (16.37) 0.998 0.04
 Tutor-guided 44.36 (13.02) 37.74 (13.85)
Scope wall contacts 15.36 (8.05) 23.63 (8.68) < 0.001 0.99
 Simulator-guided 16.36 (7.54) 23.0 (9.04) 0.36 0.37
 Tutor-guided 14.5 (8.53) 24.26 (8.47)
  1. abold for comparison between pre- and post-assessment, normal for interaction between groups and time of measurement
  2. bbold for comparison between pre- and post-assessment, normal for difference in gain/loss between groups