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Table 2 Comparison of success rate, performance score, procedure time, and dissection time according to group allocation, status, and previous clinical experience

From: Impact of simulation-based training in surgical chest tube insertion on a model of traumatic pneumothorax

Groups
  SIM+ group
(n = 34)
SIM− group
(n = 31)
p
 Success rate (%) 97 % 58 % <0.001
 Performance score (M ± SD) 16.29 ± 1.82 11.39 ± 3.67 <0.001
 Procedure time (M ± SD) 10 min 19 s ± 2 min 19 s 10 min 7 s ± 2 min 9 s 0.71
 Dissection time (M ± SD) 2 min 1 s ± 1 min 2 s 2 min 37 s ± 1 min 17 s 0.047
Status
  Senior physicians
(n = 47)
Residents
(n = 18)
p
 Success rate (%) 78.7 % 77.8 % 0.94
 Performance score (M ± SD) 14.32 ± 3.58 13 ± 4.14 0.24
 Procedure time (M ± SD) 10 min 20 s ± 2 min 17 s 9 min 57 s ± 2 min 5 s 0.52
 Dissection time (M ± SD) 2 min 8 s ± 1 min 3 s 2 min 43 s ± 1 min 26 s 0.13
Previous experience
  Experienced
(n = 23)
Novices
(n = 42)
p
 Success rate (%) 82.6 % 76.2 % 0.54
 Performance score (M ± SD) 14.22 ± 3.18 13.81 ± 4.07 0.66
 Procedure time (M ± SD) 10 min 13 s ± 2 min 29 s 10 min 14 s ± 2 min 5 s 0.98
 Dissection time (M ± SD) 2 min 13 s ± 1 min 7 s 2 min 21 s ± 1 min 14 s 0.65
  1. M mean, SD standard deviation